A conical water cup can hold about 157 cubic inches of water. The cup is 6 inches tall. Three students found the radius of the cup. They used 3.14 for Select all the solutions that show a correct method for finding the radius of the cup.

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%