Leonard made the 3-d shape below for an art project. He wants to paint it blue. How many square centimeters of paint does he need to paint the outside of every
side except for the bottom?
10 cm
6 cm

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?