Which equation represents the line that is perpendicular to y=4/5x+23 and passes through (-40,20)?

The length of time for one individual to be erved at a cafeteria is a random variable having an ex- ponential distribution with a mean of 4 minutes. what is the probability that a person will be served in less than/3 minutes on at least 4 of the next 6 days?

If the numbers below were ordered from least to greatest, which number could you use to replace the blank? 0.20, 2/5 □ 3 /4 , 8/10

How to create an exponential equation for a graph