5times the sum of 40 and 80. what is the numerical expression that would represent the phrase?

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.

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g

Aline has a slope of negative 1/4 the past two points -5/4 and 1 what is the equation of the line