Pleas help Given that one standard deviation below the mean is 24 and one standard deviation above the
mean is 31, what is the Mean?

A)55
B)34
C)27.5
D)28

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

How do you determine if an ordered pair is a solution to a given equation?