Hello!
The exterior angles are on the outside of the triangle. Therefore, our answers are 2,3, 4, and 6.
I hope this helps!
Answer:
Justification:As told in the statement, n stands for the number of bits, and

is the highest number of ways n bits can be arranged in the system.
Now, Antonio wants to show that the character can collect one less key than that. So, that number is

less 1, which is what the formula

- 1 states.
Answer:
(- 3, 4)
Step-by-step explanation:
given the 2 equations
2x - y = - 10 → (1)
y = 4 → (2)
Substitute y = 4 into (1) and solve for x
2x - 4 = - 10 ( add 4 to both sides )
2x = - 6 ( divide both sides by 2 )
x = - 3
solution is (- 3, 4 )