Ava buys a book for $8.58. she pays with a $10 bill. how much change will she get?

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

Choose the correct classification of 3x4 − 9x3 − 3x2 + 6. 5th degree polynomial 4th degree polynomial 9th degree polynomial 24th degree polynomial

Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?