the simple interest on a sum of money for 11⁄2 years at percent per annum is 1875 rupees. what will be the compound interest on the same sum at the same rate for the same period, compound half-yearly​

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

The radius of a sphere is 3 inches. which represents the volume of the sphere?