Answer:
126
Step-by-step explanation:
M∠CBT is not 120°.
You have to notice the start of the measure of the angle is on the point of C. It is the 0°.
If the segment BT is straight up from the point of B, its angle will be 90°.
Since the segment does not form a right angle, its measure of angle is less than 90° but more than 0°
Answer:
C. 
Step-by-step explanation:
I think the equation meant
?
Anyways, to factor these kinds of quadratic, keep into consideration:

ONLY if:

Start off by finding factors of c, which in this case, -18:
±(1, 2, 3, 6, 9, 18)
If one of the numbers is negative then the other number must be positive.
Find which two factors will sum up to b, which in this case, is 3.

The only two factors that work are 6 and -3.
Replace them into the factored form:
