Answer:
9+10=21
Step-by-step explanation:
There are 360° in a circle and this circle is divided into 8 equal parts. 360/8 = 45 which means that each angle is 45°. The central angle subtended by minor arc BC is 2 portions of the circle, or 45 * 2 which is 90°. The answer is B.
Answer:

Step-by-step explanation:
combine like terms. not trying to be mean, but that all you have to do.
Answer:
can i just take the points?
Step-by-step explanation: