Sylvie finds the solution to the system of equations by graphing. y = x + 1 and y = x – 1 which graph shows the solution to sylvie’s system of equations? image for option 1 image for option 2 image for option 3 image for option 4

Find the solution set of this inequality. select the correct graph. |8x+16|> 16

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?