Answer:
c
Step-by-step explanation:
choice A means

choice B means

choice C means which is the answer

choice D means

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Answer: approximately 49
Step-by-step explanation:
Answer:
someone solve it please usuck
Step-by-step explanation:
As given m is a midpoint of ab. So am is half of ab.
So we can write

As given am = 3x+3 , ab = 8x - 6.
So





So x = 6.
So length of am = 3x+3 = 3*6 + 3 = 21