I need help with this volume, length, and height math

Which point is a solution to y s 4x + 5?

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)?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with