Please help and explain ASAP

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.