The plan of a house shows that the first floor will be 13 feet longer than its wide. which expression represents the area of the first floor of the house if the shorter side is x feet? a. x^2 -13x b. x^2 -13 c. x^2 +13 d. x^2 +13x

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).

Ivan began dividing g2  – 6 by g + 1, noting that . he started by placing g in the quotient, as shown below.what is g2  – 6 divided by g + 1? g –  1 –  g + 1  – g  –  7 + g  –  5  + 

Find the value of x. round the length to the nearest tenth