Answer:
The option
is correct
Step-by-step explanation:
Given equation is 
The option shows correct usage of distributive property is

( by distributive property
here
, x=33 and y=-y )
Therefore the option
is correct.
Answer:
Yes it is a right triangle.
Step-by-step explanation:
Because the Pythagorean Theorem states that 

(100+3-4(4-5))/(6+5+5+5+300)
=(100+3-16+20)/(321)
=(107)/(321)
=1/3
Hope it helps : )
Answer:
28
Step-by-step explanation:
angle 5 and angle 4 are exterior angles