Need help with asap! thank! :3 PROBLEM #1: Find the lengths of PR and QS. Make sure to explain all your work and show all your steps Q
R
10
60°
P
S

Consider circle o, where and . m∠bpd °. °.

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?

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so