7. A group of students takes their math teacher out for lunch. If five have hamburgers and four have hot dogs, the bill will be $19.50. If four have hamburgers and five have hot dogs, the bill will be $18.75.
What is the price of a hamburger and a hot dog?

Cass decided to sell game programs for the hockey game. the printing cost was over 20 cents per program with a selling price of 50 cents each. cass sold all but 50 of the programs, and made a profit of $65. how many programs were printed? letting p represent the number of programs printed, set up an equation that describes this situation. then solve your equation for p.

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Reflect the point (7,0) across the y-axis