For the following quadratic equation, determine the nature of the roots. -x^2 -2x -1=0

With: label the vertices and all the elements needed. find x

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

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