Using the cross multiplication method, what is the solution to 3/(7x+2) = 5/(x+9)?

Which is a graph of a proportional relationship?

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

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?