Andre and Han are moving boxes. Andre can move 4 boxes every half hour. Han can move 5 boxes every half hour. a. How long will it take Andre and Han to move all 72 boxes?

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis