Which ratio is less than 7/15? 9/15 2/5 3/5 24/45?

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?

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?

Find the slope intercept form of (-3,6) and (3,-6)