What is the value of (20−1+52−0)−1×5?

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

There are 8 movies that you would like to see currently showing in theatres. in how many different ways can you choose a movie to see this saturday and one to see this sunday?