Which of the following would have infinitely many solutions? 3x = 6 + 3x
2(x + 2) = 2x + 4 4x – 5 = 3 (x – 4)
-X + 6 = x + 6
9

Three coins are flipped. what is the probability that there will be at least two tails?

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)