Suppose P = {red, blue, green, yellow}, Q = {red, green, black}, and R = {black, green, purple}. Which set is equivalent to ( P ∪ R ) ∩ Q ( P ∪ R ) ∩ Q ?

Which one is true about the hexagons ?

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?

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1