I REALLY need help with this one
use the picture provided to give your answer

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

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Identify the number as a rational or irrational. explain. 127