So on my math hw I got asked this. I don't understand can someone help?

Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k