Pg 71-73 # 7-25 ALL Pg 74 # 30-41 ALL

-6

|-7 – (-2)| = |-5| = 5|3 – (-2)| = |5| = 5

a + b = -2 + 3 = 12 2 2

3m + 5 = 4m – 10 – 5 – 53m = 4m – 15 – 4m– 4m– m = – 15 – 1 – 1m =

50a + a + 8 = 50Combine like terms.2a + 8 = 50– 8 – 82a = 422 2a = 21

612561 – 25 =

2x + 8x + 22

2x + 8 = x + 22– 8 – 82x = x + 14 –x– xx =

3x + 31 + 2x − 6 = 180º– 255

Combine like terms.5x + 25 = 180º – 255x = 155º 5x =

3x + 4x − 15 = 90º+ 157

Combine like terms.7x − 15 = 90º+ 157x = 105º 7x =

Step 1 Label the pointsStep 2 Write the formulaStep 3 Substitute and solve(0 −(−1))²+(4−5)²(1)

²+(−1)²2 ≈

Step 1 Label the pointsStep 2 Write the formula

Step 3 Substitute and solve(6 −(−1))²+(2−(−1))²(7)²

+ (3)²58 ≈49 + 9

Step 1 Label the pointsStep 2 Write the formulaStep 3 Substitute and solve(5 −(−7))²+(8−0)²(12)

²+(8)²

208 ≈144 + 64

Step 1 Label the points

Step 2 Write the formulaStep 3 Substitute and solve-3 3 -2 2

Step 1 Label the pointsStep 2 Write the formula

Step 3 Substitute and solve((−3)−3)²+((−2)−2)²(−6)²+(− 4)²

52 ≈36+ 16

Step 1 Label the pointsStep 2 Write the formulaStep 3 Substitute and solve−8 4

Multiply both sides by 2+8+8 −4−4

Step 1 Label the pointsStep 2 Write the formulaStep 3 Substitute and solve9 −5

Multiply both sides by 2−9−9 +5+5

Step 1 Label the pointsStep 2 Write the formulaStep 3 Substitute and solve0 11

Multiply both sides by 2−11−11

P = 8 + 8 + 8 + 8 =

A = 8 × 8 =A = L × W

P = 3 + 3 + 5 + 3 + 3 + 5 + 5 + 5 =

A = L × W A = L × W A = 5 × 5A = 25

A = 5 × 3A = 15

A = 25 + 15 =

C =

A =

C = 2rC = 2(3)C =

A = r²A = (3)(3)

C = 2rC = 2(7.5)

A = r²A = (7.5)(7.5)

A = 56.25