Tiffany arrived at the airport at 3:50PM. Her flight was supposed to leave at 5:15PM, but it was delayed for 2 hours. How long was Tiffany at the airport before her flight left?

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.