I need help i suck at these

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Step-by-step explanation:

2 hours=21.50

3 hours= 32.25

4 hours= 43.00

2 - 21.5

3 - 32.25

4 - 43

Step-by-step explanation:

10.75 × 2 = 21.5 ÷ 2 = 10.75

10.75 × 3 = 32.25 ÷ 3 = 10.75

10.75 × 4 = 43 ÷ 4 = 10.75

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10