Can someone help me with this one please I need area and perimeter

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?

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

Write the equations in logarithmic form 10^3=1,000