At 10 am a 6-foot- tall man casts a 4.5 foot shadow. how long a shadow cast by a 50-foot tree?

Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet

Math question.. plz me .. best answer all

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?