Betty is saving up her allowance. If she starts with $15 and ends up with $135 after 6 weeks, how much does she get each week?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

Rationalize the denominator- 12x/√x-10