when Mei solved the system of equations, she got the solution x=1, and y=6. without solving the system yourself, tell her whether this solution is correct or not? how do you know?

Which of the following lines is not parallel to the graph of y = 4x +7?

Suppose a ball is dropped fromca height of 6ft. it bounces back up but time it bounces, it reaches only 7/10 of its pervious height. what is the total of each height that the ball reaches after 5 bounces

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).