Atower casts a 30-foot shadow. at the same time, a person who is 6 feet 6 inches tall casts a 4-foot shadow. how tall is the tower?

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

What is the equation in point slope form of the line that passes through the point (-1, -3) and has a slope of 4? y-1=4(x-3) or y+3=4(x+1)

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?