Is the following relation a function? circle centered at the origin with radius 1 yes no

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?

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj:

Write each improper fraction as a mixed number. 9/4. 8/3. 23/6. 11/2. 17/5. 15/8. 33/10. 29/12.