What number comes next 144, 121, 100, 81, 64?

Asap will give brainliest and a lot of points

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 difference between the equations of a vertical and a horizontal line?