Samuel is selecting a marble from a bag. The bag has three blue marbles, eight red marbles, nine yellow marbles. What is the probability he will select a red marble?

For what values of x is x2 + 2x = 24 true?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Uestion 1(multiple choice worth 5 points) (05.02)alex wants to paint one side of his skateboard ramp with glow-in-the-dark paint, but he needs to know how much area he is painting. calculate the area of the isosceles trapezoid. isosceles trapezoid with top base 12 feet, bottom base of 18 feet, and height of 6 feet. 72 ft2 84 ft2 90 ft2 108 ft2