Octagon abcdefgh and its dilation, octagon a’b’c’d’e’f’g’h’, are shown on the coordinate plane below.

if the center of dilation is at the origin, by what scale factor was octagon abcdefgh dilated?

1/4
1/2
2
4

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

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?

Calculate the effective quarterly compound interest rate equivalent to a 1% of monthly compound interest rate.