Erin received the following scores on her last four spelling tests.

2125, 82%, 0.8, 17202125, 82%, 0.8, 1720

which of these is erin's highest score?

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

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?