What is the unit rate shown by the graph

Do 12/14 and 8/10 have the same value? explain your answer.

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Which expression gives you the distance between the points (5,1)and(9,-6)