The division property of equality could be used to solve which of the following equations?
a. 5 x = 30
b. x + 3 = 7
c. ( x + 2) ( x - 2) = 0
d. x/4 = 16

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

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?

Darren earned $663.26 in net pay for working 38 hours. he paid $118.51 in federal and state income taxes, and $64.75 in fica taxes. what was darren's hourly wage? question options: $17.45 $19.16 $20.57 $22.28