What is the value if X? A) 16
B) 30
C) 8
D) 15

A step by step analysis would be greatly appreciated but a simple answer will do as well.​

Q. What do you mean by circumference ?

Ans : The perimeter of a circle is called its circumference. It is the total length of the curved line of the circle.

Q. What do you mean by chord ?

Ans : The line segment that joins any two points on the circumference of a circle is called the chord of the circle. In the figure , BA and DC are any two chords of the circle.

Hope I helped! Let me know if you have any queries regarding my answer and also , Notify me if you need any help! ツ

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b. would be the answer : )

step-by-step explanation:

step 1: add -16x to both sides.

16x−4y+−16x=64+−16x  

−4y=−16x+64

step 2: divide both sides by -4.

−4y /-4 = -16x + 64/-4

answer:   y=4x−16

hope i'm right

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8