How many times greater is the 7 in the hundreds place than the 7 in the tens place in the number 4,772

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller 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?

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2