Alice and betty enter a beauty parlor simultaneously, alice to get a manicure and betty to get a haircut. suppose the time for a manicure (haircut) is exponentially distributed with mean 20 (30) minutes.
a. what is the probability alice gets done first?
b. what is the expected amount of time until alice and betty are both done?

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12

What is the radical expression that is equivalent to the expression 27 1 over 5?

A. plot the data for the functions f(x) and g(x) on a grid and connect the points. x -2 -1 0 1 2 f(x) 1/9 1/3 1 3 9 x -2 -1 0 1 2 g(x) -4 -2 0 2 4 b. which function could be described as exponential and which as linear? explain. c. if the functions continue with the same pattern, will the function values ever be equal? if so, give estimates for the value of x that will make the function values equals. if not, explain why the function values will never be equal.