The scatter plot to the right shows the fat and calorie content of several snack foods. The function y = 10x + 190 represents the relationship of the given data. What does the 10 in the function represent in the relationship between grams of fat and calories in the snack food studied?

Ineed the answers for this one as well!

You coordinate volunteers for litter cleanup in local parks. your spreadsheet lists drivers and the number of seat belts in each driver’s car. the spreadsheet calculates the number of drivers (d) and the total number of seat belts (s). you want to know the maximum number of volunteers, besides drivers, that can be transported to the park in a single trip given that each person must have a seat belt of their own.

The population in a city is modeled by the equation p(d)= 100,000*(1+0.3) where d is the number of decades since 1970