Evaluate the following expression for a = xy and b = x^{2}:

2a + 3b

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Incorrect

Question 3 of 5

3. Question

Simplify: 2(3x + 4y) + 7(2x − 2y)

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Incorrect

Question 4 of 5

4. Question

A patient’s hospital bill is $1,896. If they pay $158 per month, which expression represents their balance after x months?

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Incorrect

Question 5 of 5

5. Question

The electric company uses the formula 0.057k + 23.50, where k represents the number of kilowatt-hours used by the customer, to determine the amount of a customer’s bill. Find the bill amount for a customer who uses 1210 kilowatt-hours.

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Incorrect

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