Circle the common factors of 20w and 40wz. options are 10, 20w, 10xz, 5z, 2w, z, 9w, or w. can you explain how you guys got this too

Write the following as a base and exponent

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

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%