Shantel has 3 red, 9 purple and 18 green hair ties. She divides all the hair ties up into the largest possible number of groups with the same number of red, purple and green hair ties. How many groups of hair ties are there? ​

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

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?