A 40 cm gold chain is used to form an isosceles triangle. The base side is made to be 18 cm long. What are the
measures, to the nearest tenth of a degree, of the largest
angle in the triangle?

Franco wants to double the volume of the cone. what should he do?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

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?