2 Points
Which polynomial lists the powers in descending order?
O
O
O
O
A. x8 + 10x2 + 8x2 + 3x6 - 2
B. 10x2 + 8x2 + 38 -2 +385
c. x8 + 3x6 + 8x2 + 10x2 - 2
D. 3x6 + 10x + x8 + 8x3 - 2
SUBMIT

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).

Which expression is a factor of 12x2 + 29x – 8? x – 8 2x – 1 3x + 8 4x + 1

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?