Which of the following would be expected to have the highest surface tension? HF
NH₃
H₂O
CH₄

Hello there.

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Enter: 88cqhk

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Ch4 i think

Explanation: i try my best

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Option 1 is correct.

Step-by-step explanation:

Here, x represents the number of 6-inch pies and cost of each such pie is $5.00. Similarly y represents the number of 8-inch pies and cost of each such pie is $9.00 . Total earning is $133.00.

So, the equation should be 5x+9y=133.