Each problem is incorrect. You must explain the error and solve the problem correctly. 1. x2 LaTeX: -− 36 (x + 6)(x+6) 2. 20x2 LaTeX: -−45 5(4x2 LaTeX: -−9) 5(2x2 LaTeX: -−3) + (2x2 LaTeX: -−3) 3. 2x2 LaTeX: - −18 (2x LaTeX: - −6)(2x LaTeX: - −3)

Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.

Which statement is always true? a. square bcdf is a rectangle. b. rectangle gjkm is a square. c. quadrilateral stpr is a trapezoid. d. parallelogram abcd is a rhombus.

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).