Answer:
It is so easy u should get this right.
First draw a circle and there is an arc that is like forming a triangle inside a circle and then ab angle is 100 degree and outside is the center of the circle. And since u try to find how much is outside it most likely means that 100-60=40
so it b 40.
Step-by-step explanation:
Answer:
Step-by-step explanation:

x squared = 9 NOT x
x = square roots of 9 which is +3 or -3.
Answer:
B.31
Step-by-step explanation:
That's the answer.