Answer:
A
Step-by-step explanation:
Im not sure if its correct tho dont quote me on it ;(
11 because if you count the spaces between the two places, the answer would be 11.
you multiply the number of years
Answer:
The total number of U.S. high school students that played on a sports team that year can be estimated to be 7,950,000.
Step-by-step explanation:
From the random sample, we can expect that 
of all students played on a sports team that year. So in the bigger sample of 15900000 high school students, we can expect 
students to have played on a sports team that year.
