Two less than eight times an unknown number is -74 find the unknown number?

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?

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Aline passes through 3,7 and 6,9 what equation represents the line