Pl help asap so am what part % of 18 is 24 it iis not 75

Ined this is due tomorrow and i dont know the answer can you find all the exponents

Use the distributive law to multiply. 3(4x + 5y + 6)

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?