HI! can someone help me?? A. 6
B. 9
C. 12
D. 21

(IT IS NOT C I HAVE ALREADY TRIED C)

B. 9

Step-by-step explanation:

That is the average of the graph because, it flits between 12 and 6 perfectly so 9 is probably the answer. I'm not so sure because, I haven't done trig yet.

The midline would be horizontal.

The top of the line is at 12, the bottom is at 6

The midline would be at 9

The answer is b.9

answer is the third choice:

3x^5+4x^4+x^3+2x^2-10x-7=0

step-by-step explanation:

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.