Answer:
A set of symbols that expresses a mathematical rule or principle; for example, the formula for the area of a rectangle is a = lw, where a is the area, l the length, and w the width. The American Heritage® Student Science Dictionary, Second Edition.
Step-by-step explanation:
8 is the answer because when you add 11+4 you get 16 and then you would subtract that from 24 which would give you 8. Idk where you got "PA" ?
One friend would get 1 whole and then you would have to split the 3 in half and give that to your friends. So they each get 1 1/2.