Solve the equation for x. (x - 4) - (x + 7) = 8x a. Negative StartFraction 11 Over 8 EndFraction c. Negative StartFraction 11 Over 2 EndFraction b. Negative StartFraction 1 Over 8 EndFraction d. Negative StartFraction 11 Over 4 EndFraction

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).

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?