Which expressions are equivalent to the given expression?
y-8y3x0x-2

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?

Jonathan can throw a baseball 10 1/3 yards. his brother joey can throw a baseball 13 1/2 yards. how much father can joey throw the ball?