Divide: 2 ÷ 1
2

2
16
8
4

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.