Can someone tell me if i did this right? it is algebra 1 Solve for r.

s=2πrh

A) 2πsh=r

B) s/2π=r

C) s/2=r

D) s/2πh=r This one should be the answer right?

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

5+2x=a

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