Stephanie has a balance of $-124.50. She deposits $557.21, How much money was in Stephanie's account after the deposits?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

#5 points possible: 3. total attempts: 5 using your calculator, find the range and standard deviation, round to two decimals places: the table below gives the number of hours spent watching tv last week by a sample of 24 children. 76 57 89 73 88 42 31 46 80 42 38 57 49 50 89 36 69 82 27 88 39 89 95 18 range = standard deviation =

Aquadratic equation has exactly one real number solution . witch is the value of its discriminant ? -1012