B is the midpoint of line segment AD, and C is the midpoint of line segment BD. If AD = 12, what is BC? A. 1.5
B. 3
C. 4
D. 6

What is the difference between regular convex and concave polygons

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Twelve less than a number is at most 20