The product of a number and 7 is the same as negative 63

Write an algebraic equation to represent each English sentence. Then solve the equation.

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)?

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

The base of a rectangular pyramid is 13 inches long and 12 inches wide. the height of the pyramid is 8 inches. what is the volume of the pyramid