Two angles x and y are complementary - which means their angles add up to 90 degrees. Angle y is 20 degrees less
than angle x. Find the measure of each angle.

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

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?