Add the hundreds with the tens and the ones. 10+20+7=127
Answer:
B
Step-by-step explanation:

Answer:
a^-m
Step-by-step explanation:
a^m ×a^-m = a^m-m = a^0 = 1
a^-m is the multiplicative inverse of a^m
Answer:
Option B: x > 0
Step-by-step explanation:
Option A is wrong because
will be 0. So, the inequality can't be divided by 0.
Option C is wrong because 1 will suffice this inequality. 
Option D is wrong because any value in the root has to be greater or equal to 0 (otherwise, it's imaginary number). -1 will give the latter root a value of root-(-3).
Leaving us with only option B, which is the right answer.
Answer:
( -6, 1 ) is the coordinate of N.