The town recreation department ordered a total of 100 baseballs and bats for the summer baseballs camp. Baseball cost 4.50 each and bats cost 20 dollars each. The total purchase was 822. How many of each item was ordered?

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Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

Abag has more green balls than blue balls, and there is at least one blue ball. let bb represent the number of blue balls and let gg represent the number of green balls. let's compare the expressions 2b2b and b + gb+g. which statement is correct? choose 1