Marcy and lucia had lunch at a restaurant. the bill for the lunch was $24 and they gave the waitress an 18% tip. what was the total cost of their lunch? a. $24.18 b. $24.32 c. $25.80 d. $28.32

Which inequality has a dashed boundary line when graphed ?

The radius of a sphere is 3 inches. which represents the volume of the sphere?

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?