What is the direct variation between x and y when x=9 and y=144

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%

Which of the following graphs could represent a cubic function?

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid