Bob’s gas tank is 1/2 full. after he buys 3 gallons of gas, it is 2/3 full. how many gallons can bob’s tank hold?

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?

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2