Need fast
1. simplify 9^2/9^7.
a.9^5
b.1/9^9
c.1/9^-5
d.1/9^5

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?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m