A hot water unit relies on 20 solar components for its power and will operate provided at least one of its 20 components is working. The probability that an individual solar component will fail in a year is 0:85, and the failure of each individual component is independent of the others.

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

Describe the graph of 3x+2> 2 and 3x< 6