Which number is a perfect cube?
a. 24
b. 27
c. 33
d. 36

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Find two numbers if their ratio is 4: 7 and their difference is 123.

Me because i don't understand how to do it.: )