Agroup of children and their parents went to the skating rink. there were a total of 30 people in the group, the cost for each adult was $12 and the cost for each child was $8. the total amount paid was $280. let a represent the number of adults and c represent the number of children.

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

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 students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .