Someone please help me with this I’m not to sure what the answer is :D

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Mariano delivers newspaper. he always puts 3/4 of his weekly earnings in his savings account and then divides the rest equally into 3 piggy banks for spending at the snack shop, the arcade and the subway

Graph 3/6 3/4 and 3/12 on a number line