Can some one answer these pls

The table represents a linear function. what is the slope of the function? –6 –4 4 6

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.