Answer:
Number 4 is a right triangle whether 3 isnt.
Step-by-step explanation:
I just know this because a right triangle is always gonna have a 90 degree angle whether that number 3 doesnt have one
Given (n)=-14
where (n-1) x 7 + 91
(-14) = -14
No as complementary angles add up to whisk 180 degrees, however supplementary angle would be true for this question
Answer:
2^3 or 8
Step-by-step explanation:

Hope this helps!
Answer:
Yes
Step-by-step explanation:
It is a first-degree equation. Look at the exponents of each variable (x, y), they are not written because they are 1
Hope this helps