Why are variables used in math? They represent something in the real word or an unknown.
Variables are added to make math problems more complicated.
They make math problems more interesting.
Variables represent the numbers the problem tells you.

Ineed with number 6 , explain how to get 1978

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)