Answer:
A. -2/7
Step-by-step explanation:
slope = rise/run = 2/(-7) = -2/7
B subtract 18 from both sides
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❖ There are a total of 18 marbles.
In order to get 18, we have the ratio 2:1. 2 represents the blue marbles and 1 represents the red marbles. We now have 12 blue marbles in a box. 2 x 6 = 12 so we are multiplying by 6. What we do to one number, we do to the other so 1 x 6 = 6 . Add 12 + 6 = 18
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Answer:
D
Step-by-step explanation: