In an election, 54% of the voters voted for a new school tax. what is the probability that a randomly selected voter did not vote for the tax? express your answer as a percentage. 15% 17% 46% 54%

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

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?

The angles in a triangle are represented by 5x, 8x, and 2x+9. what is the value of ? a.10.8 b.11.4 c.9.7 d.7.2