The ratio of red pens to blue pens in a package is 2:5. If there are 35 blue pens in the package, how many red pens are in the package? Show your work by using a tape diagram.

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Landon wrote that 3−2.6=4. which statement about his answer is true?