10 is a common factor of 50 30 and 100. So is 2
The answer is 4. 2x plus 7 is equal to 15. First you subtract 7 from both sides then divide by 2 to get the answer 4. Hope this helps!
Since there are

in a circle, and central

, you can see that the part "sliced out" by the central angle is

of the whole circle.
This means that the length of the intercepted arc

is

of the circumference of the circle. So,
I think option two is the correct one, because 1 and two contradict eachother and 4 doesn't make sense
Answer:
A
Step-by-step explanation: