What two numbers give you -60 when you multiply and -11 when you add

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

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9