Abookstore has a sale on travel books. customers can purchase one book for the full price of $18.50 and then as many other travel books as they want for half of that price. if y represents the total cost and x represents the total number of books purchased, which function rule describes this situation?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

Abaseball team drinks 10/4 gallons of water during a game. which mixed number represents the gallons of water consumed? a) 1 1/2 gallons b) 2 1/2 gallons c) 2 3/4 gallons d) 3 1/2 gallons