Your school district cancels school when at least 3 inches of snow accumulate on the ground each hour. Snow is currently accumulating at a rate of 32 inches per hour. Select an inequality that represents the extra snow accumulation s (in inches per hour) needed to cancel school. Then solve the inequality.

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?