Write the sum using summation notation, assuming the suggested pattern continues. 2 - 8 + 32 - 128 +

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?

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6