You run 3 miles in one hour and 6 miles in two hours what’s the rate of change

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

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)?

Which of the following is an equation of a line parallel to the equation y=4x+1?