Carlos had 28 baseball cards. the cards came in packs of 4. carlos gave his friend 3 packs of cards. write an equation using c for the number of baseball cards left. solve to find how many baseball cards carlos has left

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

What are “like terms”? why can we only add like terms?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.