elimate the parameter.
x = t +4 y = 2t^2 + 5

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

If you could answer these your a life saver

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).