Answer:
C)
Step-by-step explanation:

Binomial should have two terms. Five degree binomial means highest degree of the binomial should be 5
Im not so sure but, 3x2=6; 2x3=6; 6+6=12
Answer:
117+x=180°(sum of straight line)
Step-by-step explanation:
x=180-117
x=63
Answer:
Step-by-step explanation:
x and 6
6^2 is 36
x^2 is still x^2
now we need to find the square root of their sum
square root of ( 36 + x^2 )
I'm not that sure about this one i think it might be more simplified
Answer:
It isn't necessary but having a positive coefficient for
makes things like completing the square and factoring easier.