What is the mean of the mean of the data set below?

12, 15, 10 ,11

In trapezoid bath, ah=19.7 and et=16.1. identify be.

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie