If the moment generating function of x is m (t) = 2/5e^t + 1/5e^2t + 2/5e^3t find the mean, variance and pmf.

Describe situation in which a variable could be used to present any whole number greater than zero

Find the 9th term in the following arithmetic sequence -7, - 1, 5, 11

Slope of (-8, - 4) and (9, - 4)

Which values from the given replacement set make up the solution set of the inequality? 2b-4≥2; {1,2,3,4} {1,2} {3,4} {1,2,3} {2,3,4}

If a is an integer, prove that (14a + 3, 21a + 4) = 1.

Simplify the expression cosxcscxtanx

Simplify (2^3) ^-2. 1) - (1/64) 2) 1/64 3) 2 4) 64

And is currently h years old. Bill is currently 2h years old and Charles is currently eight years old. Find an expression for each person's age after h years. Then find an expression for the sum of their ages after h years.

A rhino can run at speeds of about 28 miles per hour. What is that speed in feet per second, to the neasrt whole number?

Meredith picked 4 times as many green peppers as red peppers. If she picked a total of 20 peppers, how many green peppers did she pick?