Which pairs of angles in the figure below are vertical angles? Check all that apply.
E A ZATN and ZRTD
B. RTP and ZATB
DC. BTD and ATP
DD. ZDTN and ZATP

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.

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?