Pencils are sold in packages of 10 and erasers are sold in packages of 6 what is the least number of pencils and erasers you can buy so that there is one pencil and eraser with none leftover

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?

Which of the following expressions is equal to 2x^2+8

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180