The width of a rectangle is 7t-4.5 feet and the length is 4.5t+9 feet. Find the perimeter of the rectangle

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Is the square root of 4 plus the square root of 16 rational?

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)?