Five friends go out to dinner together. The meal comes to $80. Each friend contributes the same amount of money to pay the bill. Chase uses the five-step problem-solving plan. After completing the Solve step, how much money should he find each friend contributes?

Write the sentence as an equation. b increased by 281 is d

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

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?