Translate the following written expression into a mathematical expression. Then, find the expression's value when a = 234 and b = 4. "The difference of the quotient of a and 6 and b squared"

A. 55

B. 23

C. 31

D. -23

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.