The answer is b just take the decimal off and subtract
That would be : 6fg^3 + 5f^2g^2 + f^3g - 7....because there are no like terms
C = 2pi r= 2 (3.14) (27) = 169.56
Let XY = x
169.56 / 360 = x / 60
360x = 169.56 * 60
360x = 10173.60
x = 28.26
x = 28.3
Answer is C. 28.3 cm
