Find the slope of the line.
1. 1/2
2. -1/3
3. 2
4. -2

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

Describe the relationship between the angles of similar triangles and the sides of similar triangles

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?