Madison went to the mall with her big sister last week and their mom drop them off at 1 o'clock and said i'll pick you up at 2: 30 the girls been 56 of an hour at the toy store 2/3 of an hour at the pet store and 1/2 of an hour at the food court when they got back to the bench to meet their mom she was already there who long was her mom waiting

Answer this question only if you know the answer! 30 points and

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)