Answer :
The coefficient of -7x is -7, since -7 is the number being multiplied by x.
Similarly, the coefficient of 9/4y is 9/4, since it is the number being multiplied by y.
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Similarly, the coefficient of 9/4y is 9/4, since it is the number being multiplied by y.
Please consider marking this answer as Brainliest to help me advance.