A school supply company is giving away free whiteboards to promote their stain-free markers. The company can spend up to $42,840 on the whiteboards. If each whiteboard costs the company $8, how many whiteboards will they be able to give away?

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?

Ineed with math stuff it involves graphs

Which of the following values have 3 significant figures? check all that apply. a. 10.1 b. 100.05 c. 120 d. 129