Idon’t understand how to answer 9 in distributive property.

The highest common factor of 132 and 220

If you could answer these your a life saver

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