Answer:$3.50
Step-by-step explanation:find how much an individual lesson costs. 480/20=24 and 412.50/15=27.5 difference in price is equal to 3.5
Answer:
a perfect square because 17 x 17 = 289
It's not a perfect cube
Step-by-step explanation:
it's B! because it's what was already given to you next to the picture, and it just wanted you to rewrite it into the proof