If f(x) = 2x2 +5./(x-2), complete the following statement:
f(3) =

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.