Ali has $4.90 in his pocket, all in change. He has an equal number of quarters and dimes. How many does Ali have of each?

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

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)?