Popcorn vendors at basketball games are paid for each bag they sell. The table shows a list of popcorn vendors and the profit each person made
one night. How much profit will a vendor make by selling 100 bags?

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).

Simplify (8x2 − 1 + 2x3) − (7x3 − 3x2 + 1). −5x3 + 11x2 − 2 5x3 − 11x2 + 2 x3 + 2x2 + x3 x3 − 2x2 − x3

What is the equation of a line that passes through points (0, 4) and (-4,-8)?