900 / 3 = 300
300 x 2 = 600
600 = 2/3 of 900
The constant is 3.
This is because when x=1, y=3 and when x=2, y=6 so that is a constant change over each interval as seen in the graph which is 3 :)
The better deal is the 200 calculators
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The correct option would be C. 0.3
You can test this:
0.3^3 = 0.027
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- Ally ✧
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16 + 4x = 10 + 14
16 + 4x = 24.
4x = 24 - 16
4x = 8
x = 8 ÷ 4
x = 2
8x = 2 × 8
8x = 16
Final answer = 16.