Please help

-4(9ab^6)

Step-by-step explanation:

To solve this, you need to multiply the numerator and denominator by the same number to get the new expression.

In the denominator, you would need to multiply ab by 9ab^6 to get 9a^2b^7.

Now, multiply the same thing in the numerator. It would be:

-4(9ab^6)

3030 ur welcome

step-by-step explanation:

saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney