6. In the diagram shown below, AC is tangent to circle 0 at A and to circle Pat C, OP intersects AC at
B, OA = 4, AB = 5 and PC = 10. What is the length of BC?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

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?