Solve -4x< 36 10 x< A) X-9

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

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)?

We just started the introduction into circles and i have no idea how to do this.