Adistribution x is known to have a mean value of 5 and a standard deviation of 5. what is its mean square value (i. e., the expected value of x2)?

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

What is the area of triangle abc if a = 8, b = 11, and c = 15?

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have