Based on the graph below, what is the y-intercept?

Find x to the nearest hundredth place

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?

What is the solution to the equation below? 3/x-2+6=square root x-2 +8