Suppose $7,558.20 in interest was earned after $12,350 was invested at a simple interest rate of 7.65%. how long (in years) was the money invested?

Asquare parking lot has 6,400 square meters what is the length in meters

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?