What is the value of y in the solution to the system of equations? 1/3X + 1/4Y = 1

2X - 3Y = -30

A. -8

B. -3

C. 3

D. 8

Find the value of the cosine for angle a

Which system of linear inequalities is represented by the graph? !

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.