You go to a school dance. there is an entrance fee, and there are slices of pizza for sale. after having 1 slice of pizza, you have spent a total of $6. after having 2 more slices of pizza, you have spent a total of $10. write an equation that represents the total cost y after buying x slices of pizza at the dance.

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image