Mr. james purchased 3 cases of pencils. each case of pencils contains 144 pencils. mr. james then purchased 4 cases of pens. each case of pens contains 95 pens. how many pens and pencils did mr. disriviers purchase in total?

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?