Five students came for after-school tutoring. Lin’s teacher assigned each of them the same number of problems to complete. Then he assigned each student 2 more problems. 27 problems were assigned in all. Write an equation for the following story.

Find the value of the cosine for angle a

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.