The water in the tank flows out 5 litres in 30 minutes . initially , the water tank contains 68 litres of water . how long , in hours and minutes the water in the tank will be empty ?

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. identify the domain for each of the given functions.

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?