Going into the final exam, which will count as two tests, Sharon has test scores of 75, 86,70,61, and 90. What score does Sharon need on the final in order to have an average score of 80?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get