Provide an appropriate response.Perform the indicated operation, leaving the answer in lowest terms: 7 × 
=
A. 
B. 
C. 2
D. 
Answer: A
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The gas mileage M that your car gets depends on its age t.
?
A: Explain in practical terms the meaning of 
.
B: As your care ages, gas mileage decreases. Would be positive or negative?
C: Your mechanic tells you that if you use his super gasoline additive, your gas mileage will improve over time. Assuming the additive works, would be positive or negative once you start using the additive?
What will be an ideal response?
Write the complex number in trigonometric form r(cos ? + i sin ?), with ? in the interval [0°, 360°).4i
A. 4(cos 90° + i sin 90°) B. 4(cos 0° + i sin 0°) C. 4(cos 270° + i sin 270°) D. 4(cos 180° + i sin 180°)
Evaluate the expression without a calculator.9log93
A. 27 B. 3 C. 9 D. 1
Find the product.(11xy - y)2
A. 121x2y2 - 22xy2 + y2 B. 121x2y2 - 22xy2 - 2y2 C. 121x2y2 - 11xy2 + y2 D. 121x2y2 + y2