Explain how to find 40 times 80 using mental math

You roll a die 100 times interested in finding the number of rules that come up even. Which of the following reasons is needed to satisfy the requirements for a binomial distribution? A) each outcome is easily obtainable.

Patty is inviting her friends to a party. She has 30 snack bars and 45 juice boxes and she wants to give the same number to each item to each friend how many friends can she invite.

What is the expense of sodding a plot of ground 45 yards long and 95 feet wide with sods 15 inches by 14 inches? The sods when laid cost $15.00 per hundred. What is the expense?

A chemical compound requires 8 ounces of Chemical A and 12 ounces of Chemical B. A mixture contains 24 ounces of Chemical A and 30 ounces of Chemical B. How can you fix the mixture to make the chemical compound.

Evaluate the following expreesion useint the values given using 2x^2-2z^4 if x=-4 y=3 and z=2