How many cubic metres of concrete are needed to surround a rectangular pond 4 1/4 meters by 4 meters with a border of 1/4 meters wide and 18 cm thick?

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?

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.