Bill goes into a chip shop and buys 3 fish and 2 portions of chips, it cost him £5.20 Jenny also goes into the same chip shop. She buys 5 fish and 6 portions of chips, it
cost her £10.80
What is the cost of a portion of fish and chips?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.