The best answer gets BRANLIEST! please help asap use substitution to solve the following equation show your work.
line 1: y= 3x - 8
line 2: 2x + y= 2

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.

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

On monday, the water was shut off 3 times for 1/4 hours, 2/3 hours, and 1-3/4 hours, respectively. what was the tireless number of hours the water was off?