Use the following triangles to answer the following.

What is the radical expression that is equivalent to the expression 27 1 over 5?

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%

Having a hard time understanding this question (see attachment).