18. Twelve theatre tickets cost $66. What is
the cost of 5 tickets?

Find an equation for the linear function which has slope -10 and x-intercept -7

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?

Interpret the following expression (5y^2-7)^3/(2y)^2