The expression - 16r^2 + 20t + 100 represents the height of an object t seconds after it is dropped from a height of 100 feet. Why is this expression a trinomial? What is its degree?

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.