1 Kailynn has a bag with an equal number of red, yellow, and blue marbles. She makes a tree diagram to show the
sample space if she randomly selects two marbles out
of the bag.
What is the probability that both marbles selected
are different colors?

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?

Vertical angles must check all that apply

Aline has a slope of negative 1/4 the past two points -5/4 and 1 what is the equation of the line