Write your solution as an ordered pair (x, y) with no spaces, no solution, or infinitely many. 5x+4y=-34 and y=3x

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).

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9