Answer:
the answer is A
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
The answer should be 6! all you have to do is plug the numbers into the equation!
it would be like this:
-1^2+3^2+(-1)-3
doing all of that would equal 6!
A = < 90°
the measure of the angle is less than 90