Add. 7979 7979 4949 4949 + + 11 9. Subtract. 1515 1515 3434 3434 – – 8 8 2 2 9 20 5 5.

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Add.Add. 7979

4949

++ 119

119

Subtract.Subtract.1515

3434

––88 22 9209

2055

Subtract.Subtract. 2525

7575

–– –1–1

Add.Add.6767

1414

–– 44 33 17281728–1–1++

Add.Add. -47-47

6565

++ 22352235

Subtract.Subtract.– 6.28 – 0.395 – 6.28 – 0.395 – 6.675– 6.675

Subtract.Subtract. 8158

154545

–– 4154

15––

198.274 + 3.98 – 0.14 198.274 + 3.98 – 0.14

202.114202.114

Subtract.Subtract.

Multiply.Multiply.7373

5959

•• 35273527

Multiply.Multiply.4747

3434

••33 75287528

Multiply.Multiply.-35-35

5959

•• 1313––

Multiply.Multiply.

– 7.2(3.61)(– 0.2) – 7.2(3.61)(– 0.2) 5.19845.1984

Multiply.Multiply.2323

4545

××66 – 3– 3 763

763––

Multiply.Multiply.

11.9(– 29.45) 11.9(– 29.45) – 350.455– 350.455

What is the multiplicative inverse of –7?What is the multiplicative inverse of –7?

1717––

Divide.Divide.

3737

9494

÷÷ –– 4

214

21––

Divide.Divide.

3535

6156

15÷÷ 141455

Divide.Divide.

6565

8989

÷÷ –– 27202720

––

Divide.Divide.

2323

÷÷55 66 17181718

Divide.Divide.

5.3 ÷ 0.65.3 ÷ 0.6 8.838.83––

Divide.Divide.

– 6.4 ÷ 0.2– 6.4 ÷ 0.2 – 32– 32

Evaluate 4x + 2y when x =

and y = .

Evaluate 4x + 2y when x =

and y = .

5858

3737

47144714

Evaluate xy – 5x + 4 when

x = and y = .

Evaluate xy – 5x + 4 when

x = and y = .2323

6565

6565––

Evaluate – (x + 2y) when

x = and y = .

Evaluate – (x + 2y) when

x = and y = .

83837

373

4949 232

2723227

––

Evaluate x – y + z when

x = -4.5, y = 73.9, and z = 16.8.

Evaluate x – y + z when

x = -4.5, y = 73.9, and z = 16.8.

– 61.6– 61.6

Evaluate – 5x + xy when

x = 3.1 and y = – 58.6.

Evaluate – 5x + xy when

x = 3.1 and y = – 58.6.

– 197.16– 197.16

Evaluate 187.3z – 34.87y

when y = 3.9 and z = 16.2.

Evaluate 187.3z – 34.87y

when y = 3.9 and z = 16.2.

2,898.2672,898.267

x + 8 – + xx + 8 – + x

Simplify.Simplify.3737

4949

2525

x + x +29352935

689

689

5x2 – x – + x2 + x – 65x2 – x – + x2 + x – 6

Simplify.Simplify.1818

4747

7272

2323

x2 + x –x2 + x –172

172

13241324

467

467

x x – 2 + 6 x – x x – 2 + 6 x –

Simplify.Simplify.3232

5252

2323

x2 + 13x – 4x2 + 13x – 43232

1 x + – 1 x + –

Simplify.Simplify.1515

3232

9109

10

x +x +6565

9109

10

(3.9x2 – 0.05x – 6.2) + (0.7x2 + 2.6x + 8.3)

(3.9x2 – 0.05x – 6.2) + (0.7x2 + 2.6x + 8.3)

Simplify.Simplify.

4.6x2 + 2.55x + 2.14.6x2 + 2.55x + 2.1

– 5.3(x + xy – 2.6y) + 3.8(x – 0.6xy – 2.1y)– 5.3(x + xy – 2.6y) + 3.8(x – 0.6xy – 2.1y)

Simplify.Simplify.

– 1.5x – 7.58xy + 5.8y– 1.5x – 7.58xy + 5.8y

Solve.Solve.2929

2323

x =x = x = 3x = 3

Solve.Solve.

1 x – = 1 x – = 2323

1919

2525 x = x = 79

22579

225

Solve.Solve.1717

47477x + =7x + = x = x = 3

493

49

Solve.Solve.

– 0.4x – 2.7 = – 6.8– 0.4x – 2.7 = – 6.8 x = 10.25 x = 10.25

1515

3535

x + – = 5x + – = 54545

x = 28x = 282525

Solve.Solve.

64.8x – 4.2(x – 3.1) = 6.7 64.8x – 4.2(x – 3.1) = 6.7

x = – 0.1043x = – 0.1043

Solve.Solve.

Five-eighths of the young people in the youth group went on the ski trip. If 25 young people attended this activity, how many are in the youth group?

Five-eighths of the young people in the youth group went on the ski trip. If 25 young people attended this activity, how many are in the youth group?

40 young people40 young people

A football costs 1.5 times the amount of a basketball. If one of each is purchased and the total price is $37.70 before tax, what is the price of each ball?

A football costs 1.5 times the amount of a basketball. If one of each is purchased and the total price is $37.70 before tax, what is the price of each ball?

basketball: $15.08football: $22.62

basketball: $15.08football: $22.62

A new playground at the elementary school is 15 ft. longer than it is wide. If the perimeter that requires fencing is 177 ft., what are the dimensions of the playground?

A new playground at the elementary school is 15 ft. longer than it is wide. If the perimeter that requires fencing is 177 ft., what are the dimensions of the playground?

4545

1515

36 ft. x 52 ft.36 ft. x 52 ft.2525

1515

An apple has one-thirtieth the number of fat grams that a cup of cottage cheese has. If the total number of fat grams is 4.03 g, how many fat grams are in the apple and how many are in the cup of cottage cheese?

An apple has one-thirtieth the number of fat grams that a cup of cottage cheese has. If the total number of fat grams is 4.03 g, how many fat grams are in the apple and how many are in the cup of cottage cheese?

0.13 g; 3.9 g0.13 g; 3.9 g

(3.52 × 108) + (6.99 × 108)(3.52 × 108) + (6.99 × 108)

1.051 × 1091.051 × 109

(1.9 × 10–6) – (1.2 × 10–5)(1.9 × 10–6) – (1.2 × 10–5)

– 1.01 × 10–5– 1.01 × 10–5

(3.69 × 10–8)(1.9 × 10–6)(3.69 × 10–8)(1.9 × 10–6)

7.011 × 10–147.011 × 10–14

(8.7 × 105) ÷ (2.1 × 108)(8.7 × 105) ÷ (2.1 × 108)

4.14 × 10–34.14 × 10–3

(5.9 × 106)(8.6 × 108)(5.9 × 106)(8.6 × 108)

5.074 × 10155.074 × 1015

(9.2 × 10–12) + (3.6 × 10–8)(9.2 × 10–12) + (3.6 × 10–8)

3.60092 × 10–83.60092 × 10–8

State the mathematical significance of Exodus 39:32.

State the mathematical significance of Exodus 39:32.