Consider the quadratic function g(x) = 3x2 – 9. The positive x-intercept of the graph of the function is (
The negative x-intercept of the graph of the function is

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

Sum of the interior angles of a pentagon