Solve
15x +4< 26.5
Need help fast pls

What is the smallest integer n such that n\sqrt{2} is greater than 20

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way