The correct answer is A = 2 x pi x r x h. So basically the answer is C. Hope I helped! :)
The correct answer is actually 'B'. D does not name the ray because the way it is formatted, the line would go in the opposite direction it is facing currently and wouldn't be a ray. For D to be correct, it would have to be
--->
EC
Answer:7
Step-by-step explanation: x+5=12 solve for x = 7