Apizza is cut into eight equal pieces. jack eats 3 1/2 pieces. what part of the original pizza does jack eat?

Hi my sisters and brothers can tell me the answer because i don’t understand the question

What expression is equivalent to log3(x+4)

Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%