Anumber is doubled and then decreased by 14. the result is 72. what is the original number?

In the 30-60-90 triangle below side s has a length of and side r has a length

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

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?