Terri biked 2 1/4 on Sunday. Terri increased the time she biked by 1/4h everyday. Sam biked 1/2h on Sunday. Sam increased the time he biked by 1h everyday. who will bike longer the next Sunday? explain how much longer will this person bike?
what did you need to know about fractions to solve this question.

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

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?

What is the perimeter of an equilateral triangle if each side is (x+3)?