The following are sample scores; X; 10, 12, 6, 8, 9, 11, 13, 13, 5, 0, 1 what is the mean, median, mode, range, variance?what is the value of summation (X - X-)
what is the value of summation (X - X-)2

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

Sara can take no more than 22 pounds of luggage on a trip. her suitcase weighs 112 ounces. how many more pounds can she pack without going over the limit?

The graph shows the distance kerri drives on a trip. what is kerri's speed?