Suddenly, the number of problems the mathletes have to solve increases by 60%! To keep on track, the mathletes try to go faster but are only able to increase their speed by 25%. By what percent must the number of mathletes on the team increase so they solve all the problems in time, as scheduled?

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

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?