Solve the system of equations y=5x y=x^2+4
(1,5) and (4, 20)

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.

How can you construct perpendicular lines and prove theorems about perpendicular lines

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?