By one estimate, there are about 5.7×10^4 parks of various sizes in the United States. These parks host a total of 9.4×10^9 visitors per year. What is the average number of visitors per park per year?

I don't understand how to do this question.

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

What does x = in this equation x+3+2x=x+5