Enter the numerator and the denominator of the fraction in simplest form that is equal to 0.84 repeating.

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Which number line correctly shows 0.8 + 0.3?

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.