Solve the system using row reduction on a calculator: 7x − 3y + 2z = 19
6x + 5z = 32
5x − 2y + 6z = 32

A. (4, 1, 2)
B. (4, 2, 1)
C. (2, 4, 1)
D. (2, 1, 4)

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Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.

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