What are the eight-digit grid coordinates for spot elevation 85?

Through non-collinear points there is exactly one plane.

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

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)?