Can you help me with these too?
its for a geometry final practice
plisss

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?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)