Abox of cereal contains 13 1/2 cups of cereal. maria's children eat 1 1/2 cups of cereal each day. how many days will the box of cereal last? 1 day 8 days 9 days 14 days

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Precalculus question, image attached.