Martin needs 3.25 gallons of red paint for his small barn and 1.25 gallons of paint for his shed. he spends $81 on paint. how much does the paint cost per gallon?

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.