The diagram shows a pole 13.5 feet tall casting a shadow 24 feet long. how tall is the tree?

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

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?

Find the measure for the angle indicated in bold