Tamika opened a money market account that has a 4.25% annual interest rate, compounded annually. she deposits $1,750 into the account each year. how much interest will the account earn after 15 years?  $9,449.40 $33,949.40 $35,699.40 $71,398.40

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?