The temperature at noon is -4 degrees the temperature drops 1 1/2 degrees per hour for 4 hours. what is the temperature at 4 pm?

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

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)?

How do you determine if an ordered pair is a solution to a given equation?