This is a maths question about surface area

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

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