Bella weighs 3 pounds. When she is an adult cat, she will weigh about 435% as much as her current weight. Write 435% as a fraction and as a decimal.

What is the smallest integer n such that n\sqrt{2} is greater than 20

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

Are the corresponding angles congruent? explain why or why not.