Solve the equation. 3.4 = –13.6 + (–3.4c) + 1.7c

Find the simple interest earned to the nearest cent for each principal,interest rate,and time 735 7% and two and a half years

Can someone me and plz do the problem

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.