Simplify. (x6y5)(5xy2)(−6x4) a. 30x11y7 b. −30x11y7 the answer to my question is bc. −x11y7 d. x11y7

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).

Hundred and tens tables to make 430 in five different ways

What is the area of the shaded sector?