1 2 Evaluate each determinant 7 12 6 26 29 32 35 T 5 1 6 603 3 1 6 2 5 4 2 3 5 7 6 8 ble 5 2 6 5 0 4 9 6 8 10 27 41 4c 5d 39 5c 8 54 d 55 30 8 11 9 12 2 0 3 4 2 5 8 3 0 0 0 33 8 2 8 36 2 NG c c c 5 5 3 4 2 a 28 Use Cramer s Rule to solve each system of equations 39 6x 5y 73 7x 3y 71 31 5 LEA AND 0 444 1 14 ON Ada bat ba 5 1 2 Extra Practice is on page 34 4 6 9 2 5 8 WO DON DAN averaged 38 TRAVEL Mr Smith s art class took a bus trip to an art museum The bus 65 miles per hour on the highway and 25 miles per hour in the city The art museum is 375 miles away from the school and it took the class 7 hours to get there Use Cramer s Rule to find how many hours the bus was on the highway and how many hours it was driving in the city bits ab oib 1 2 10 12 40 10a3b 34 3a 8b 28 37 6 0 13 42 6f 8g 22 11f 5g 60 44 11 772 4