Agroup of people bought movie tickets at the amc century city. they bought a total of 7 tickets, some adults and some kid tickets. they spent a total $72. if adult tickets cost $12 and kid tickets cost $9, how much of each were purchased? could some one give me the 2 equations for this problem

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

The base of the rectangle pyramid is 13 inches long and 12 inches wide the height of the pyramid is 18 inches . what is the volume of the pyramid ?

Jack is considering a list of features and fees for current bank: jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements? a. $44 b. $104 c. $144 d. $176