Answer:
C. 3x^2 + x + 1
Step-by-step explanation:
(3x^2 - 1 + x + 2)
=3x^2 + x + 1
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(a).
(b).
from general equation:
first term is 4n
common difference:
sure
33
1. (x-10)+67=90 because it's a 90 degree angle
2.subtract 67: x-10=23
3. add 10: x=33
0
Since 8 is too small to be rounded to 100, it's rounded down to 0.
