Select the correct answer. Which equation has infinitely many solutions?
ОА.
-5(x + 2) = -4x - 12 - X+ 2
OB.
3x - 4+ 2x = 5(x-4)
O C. 5(x + 7) = -5(x - 7)
OD
6x+ 2 - X= -2x - 2 + 7x

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).

Which of these triangle pairs can be mapped to each other using two reflections?

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out