Rileigh ate dinner at a restaurant. The bull came to $53. If she left a 15% tip, how much was the tip?​

What is the missing constant term in the perfect square that starts with x^2 -20x

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Which of the following transformations will always produce a congruent figure?