You cannot say pop without the smoke

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

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