Ahiker begins in a valley at 68 feet below sea level. when the hiker reaches the highest point on the trail, he is 532 feet above sea level. what is the change (in feet) in elevation of the hiker?

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?