Lana's little sister needs to take a bubble bath. The package says to put in a drop of bubble bath for every half gallon of wate
r in the bathtub. Lana doesn't know how many half-gallons there are, but she knows that their bathtub can hold 12 gallons of water. How many drops can she put into the bath for her sister? *
You would need to use the distance formula. Distance = Sqrt((x2-x1)^2+(y2-y1)^2) Plug in your numbers Distance = Sqrt((12+4)^2+(12-18)^2) Distance = 17.09