I'm pretty sure that it's b. That's assuming that you find the negative of b^2 and not the square of negative b.
The answer would be 8 1/4 because if you have the opposite of the opposite you get what you started with. For example the opposite of night is day then the opposite of day is night so you end up with what you started with.
Two angles are called complementary when their measures add to 90 degrees
Answer:
19x+8
Step-by-step explanation:
1) distribute the term outside the parenthesis to each term inside:
4*3x=12x
4*2=8
12x+8-7x
2) 12x+7x=19x
19x+8
Hope this helps!
The one the blue is on! Hope that helped