Definition: In an isosceles triangle, the
angles are the two congruent ones.

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

Function 2 f(x) = -x2 + 2x - 15 function _has the larger maximum. (put 1 or 2 in the blank space) numerical answers expected! answer for blank 1:

Five cds, which is 1/8 of lisa's collection, were gifts. how many were not gifts? explain: