A grapefruit is 8% heavier than an orange, and an apple is 10% lighter than the orange.

By what percentage is the grapefruit heavier than the apple?

The spotter on the ground is standing beneath the safety net. what is his distance from the base of the platform, to the nearest meter? 3 meters, 2 meters, 4 meters, 1 meter?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.