13. Solve the following equation and simplify, if possible: 7/8 + 5/12

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

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?

What is the difference between regular convex and concave polygons