If the cone and the square pyramid have the same volume, find the radius of the cross section of the cone. Round your answer to the nearest hundredth. A. r= 4.61

B. r= 4.71

C. r= 4.81

D. r= 4.91
The answer is D!

What is the smallest integer n such that n\sqrt{2} is greater than 20

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.