Please help me i will give crown please please people just rob e Which set of values all make the inequality x<6.5 true?

{6.5,9,16,20} 1.
{−13,1.7,4,6.5} 2.
{7.4,8,13,15} 3.
{−8.2,0,45,6} 4.

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

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?

Which equation is equivalent to the given expression? -(1/2y+1/4) a. -1/4(1+2y) b. 1/4(2y-1) c. -2(1/4y-1/8) d. 2(1/8-1/4y)