Matthew took one of his friends out to lunch. The lunches cost $100 and he paid 12% sales tax. If Matthew left an 18% tip on the $100, how much in total did he pay?

What is the solution set of the quadratic inequality x^2-5< or equal to 0

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase

Put the equation in slope intercept form by solving for y