Raul deposited $3000 into a bank account that earned simple interest each year. after 3.5 years, he had earned $262.50 in interest.

if no money was deposited into or withdrawn from the account, what was the annual interest rate?

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Y+ 2/y is it a polynomial in one variable or not? and if so, why?