You know is a number less
than 4. select all the
inequalities that must be
true
a. x< 2
8. x+6 < 10
c. 5x < 20
d. x-2 > 2
e. x < 8

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)

What is the product? a-3/15a × 5/a-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.