A gemstone in the shape of a rhombus has the measurements shown. Match the measures with the angles. 2 cm 2 cm 31 90° 31° 2 cm :: 90 :: 64 :: 59 :: 34 ° :: 31​

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

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?

Analyze the diagram below and complete the instructions that follow. how to find tan