Reasoning the equation below describes a proportional relationship between x and y. What is the constant of proportionality? Use pencil and paper. Explain why your answer is called the "constant of proportionality" y =7.39x The constant of proportionality is .​

Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. how many pounds of vegetables were not on sale? 98 points : )

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.