What is the coefficient of the product expression 6x?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Ineed with this problem 21 show steps

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.