How to solve this equation -3(2r +7)=3

What is the measure of ac? 5 units 13 units 26 units 39 units

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)?

What is the ratio of the length of an object in yards to the length of the same object in miles?