If 4 cards are drawn from a deck of 52 cards and not replaced. Find the probability of getting at least 1 black card.

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.