A line segment that has coordinates of (2, 4) and (2, 8) is dilated by a scale factor of 0.5. What is the length of the new segment after the dilation? A. 2

B. 8

C. 1

D. 4

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

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?