Evaluate the given integral by making an appropriate change of variables. 3 x − 4y 3x − y dA, R where R is the parallelogram enclosed by the lines x − 4y = 0, x − 4y = 1, 3x − y = 3, and 3x − y = 10

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step-by-step explanation:

we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

hope this .

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.