Peanuts cost $1.50 per pound. How much does 2 pounds of peanuts cost?

Which of the following tables represents exponential functions?

What is the missing step in this proof ?

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap