Y+ 3 = 2x. y + 4 = 3x. if you use the comparison method to solve the given system, what is the resulting equation? . a] y + 3 = y + 4. b] 2x - 3 = 3x - 4. c] 2x + 3 = 3x + 5

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

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?

Select the correct answer and solve for y