Can you guys plz on 2-9 plz ? ! it's for today's homework it's urgent

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

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 roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?