Solve the system of inequalities by graphing.
x < -4
X > -9

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

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.