Solve the system by substitution
-4.5x-2y=-12.5 3.25x-y=-0.75

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5

Which account has the highest effective annual interest rate? not necessary but show how you got your answer.a. account 1: interest is compounded quarterly at an annual rate of 4.20%.b. account 2: interest is compounded monthly at an annual rate of 4.15%.c. account 3: interest is compounded semiannually at an annual rate of 4.10%d. account 4: interest is compounded annually at a rate of 4.25%.