Use properties of multiplication to show why 4 x 50 = 8 x 25. Enter your answers in the boxes.
4 x 50 = 4 x
x 25) = (4 x
1) x 25 =
D) x 25

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Arational number that is equivalent to -20/4?