Divide 2x2 + 17x + 35 by x + 5.
a. x + 7
b. 2x + 7
c. x + 27
d. 2x + 27

The answer is b. I always use long division to do this kind of problem.
2x(x+5) = 2x^2 + 10x --> 2x^2+17x - 2x^2+10x= 7x
drag 35 down, then you get, 7x+35. (x+5)7=7x+35.
Therefore (2x^3+17x+35)/(x+5) = 2x+7  

The answer is "a"radius = 12.7 unitsdiameter = radius × 212.7 units × 2 = 25.4 units