PLEASE HELP SOMEONE PLEASE CAN ANYONE HELP PLEASE I NEED HELP Markall's Goods usually sells their jackets for $50. Last week, they changed their price to $80. What was the percent change?

A.60%
B.30%
C.75%
D.25%

What were mkh company's cash flows from (for) operating activities in 20x1? $(180,300) $233,100 $268,200 $279,400?

For which pair of functions is (gof)(a)=|a|-2?

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?