Positive because it equals 7y
SF stands for either Science Fiction or San Fransico
Answer:
3x+9
Step-by-step explanation:
If it’s multiple choice the other one is
x +1+1+1+x +1+1+1+ x +1+1+1
I hope this helps!
Answer:
congruent angles are angles that have the same degree so for example a 45° angle and another 45° angle are congruent
supplementary angles are two angles that add up to 180° or in other words a straight line so an angle that is 100° along with an angle that is 80° would be supplementary