find the mean, variance, and standard deviation of the binomial distribution with the given values of n and p. n = 126, p = 0.42

Do not comment if you aren’t going to . create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

Ineed to know the answer right now! !