Students voulenteering at a charity event work 1/2 -hour shifts. Zack voulenteered for 4 hours. He incorrectly divided one half by four to find the number of shifts he worked. How should Zach have calculated the number of his shifts?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Line segment eg is partitioned by point f in the ratio 1: 1. point e is at e (0, 4), and point f is at (1, 3). what are the coordinates of point g? (−1, 5) (2, 2) (3, 1) (4, 0)

What is 1.5% of 120 or what number is 1.5% of 120