Total marked raccoons: 11 Total raccoons counted: 57
Total marked raccoons counted: 8

What is the best estimate for the population of raccoons?
Answer to the closest whole number.

At the next school assembly, choose one student from each of 20 randomly selected rows of seats.

r-1

Step-by-step explanation:

(-r-5)-(-2r-4) Or (-r-5)-(-2r-4)

-r+-5+2r+4. -r-5+2r+4

r-1 r-1

You bring down the first Parentheses Then have to multiply the (implied 1) -1•-2=2 and -1•-4=4 and do the math regularly