50 points!! The value of the expression 7+3*2+(12-8)/ 2x4 is

What is the value of r of the geometric series?

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?

17 in long 1.3 ft wide and 8in high what is the volume