Will mark as brainliest! : ) describe the following variation: y/x^2=5 a. y varies inversely as x. b. y varies inversely as the square of x. c. y varies directly as the square of x. d. y varies directly as x

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4

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?