Triangle XYZ is a right triangle with lengths shown.

What is the decimal value of cos X?
Round the answer to the nearest thousandth if necessary.

The green family is a family of six people. they have used 4,885.78 gallons of water so far this month. they cannot exceed 9,750.05 gallons per month during drought season. write an inequality to show how much water just one member of the family can use for the remainder of the month, assuming each family member uses the same amount of water every month.

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer