Alocal store buys used video games. for each game bought, they will pay $18 less than the original price paid for the game. which expressions represent the total amount jordan will receive if he sells n games that originally cost d dollars each?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?