Can someone please hwlp me answer these, thank you so much if u did. And please don’t say “the pic isn’t clear” cuz ik ur only trying to get points, thank you bye

1) 31.41593

2) 26.38938

Step-by-step explanation:

Circumference = 2πr

2 · π · 5 ≈ 31.41593

2 · π · 4.2 ≈ 26.38938

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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