Sara has 13 books in her library. She bought several books at a yard sale over the weekend. She now has 63 books in her library. How many books did she buy at the yard sale?

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

Solutions for 2x+7 less than or equal to 3x-5

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons