B.

because of how the slope (Y over X) is 1/4 and the intercept is (0, 2).
The slope is positive because the line moves to the right.
(for me I remember that /it hurts \doesn't. The line is you moving your arm.)
I'm just guessing because there isn't much data, but the ages could be:
1, 8, and 9
3, 3, and 8
1, 8, and 9
1, 6, and 12
2, 3, and 12
3, 4, and 6
2, 4, and 9
(These aren't all the possible ages)
Answer:
16.2
Step-by-step explanation:
45.8 - 29.6 = 16.2
Renee would have 16.2 grams of chocolate.
5,004,000,002,008 That's standard