ASAP math word problem please help At a school concert, 421 tickets were sold. Student tickets cost $5 each and adult tickets cost $8 each. The total receipts for the concert were $2,819. Solve the system

{ s + a = 421
5s + 8a = 2,819

to find s, the number of student tickets and a, the number of adult tickets.

Use the drop-down menus to complete the statements to match the information shown by the graph.

Which account has the highest effective annual interest rate? not necessary but show how you got your answer. a. account 1: interest is compounded quarterly at an annual rate of 4.20%.b. account 2: interest is compounded monthly at an annual rate of 4.15%.c. account 3: interest is compounded semiannually at an annual rate of 4.10%d. account 4: interest is compounded annually at a rate of 4.25%.

Agatorade cooler has 36 cups of water. if a serving is 3/4 of a cup how many servings are in the cooler?