Doobs please helpp, mah hw is too hard :,(, the question is: add the polynomial expressions using the horizontal format

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

Bernice paid $162 in interest on a loan of $1800 borrowed at 6%. how long did it take her to pay the loan off?

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola