You use index cards to play a homemade game. the object is to be the first to get rid on all your cards. how many cards are in your friends stack?

your stack is 12mm tall and is has 48 cards.

your friends stack is 5mm tall and has c cards.

20 cards

Step-by-step explanation:

Given: Your stack is 12  mm tall and is has 48 cards.

             Your friends stack is 5mm tall and has c cards.  

To Find:  How many cards are in your friends stack?

Solution:

Stack which is 12 mm tall has cards = 48

So, stack  which is 1 mm tall has cards =

                                                               =

So, stack which is 5 mm tall has cards =  

                                                                =

Hence there are 20 cards in the stack of your friend .

there are no short passages to look at

step-by-step explanation:

descending order means to order the polynomials from the term with the largest exponent to the term with the smallest exponent.  

therefore, the correct answer is d.