Factor the polynomial completely. If the polynomial is prime, so state.3y4 + 45y3 + 168y2
A. y2(y + 8)(3y + 21)
B. 3y2(y + 8)(y + 7)
C. 3y(y2 + 8y)(y + 7)
D. 3(y2 + 8)(y2 + 7)
Answer: B
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Write an equivalent double integral with the order of integration reversed.
A. 
B. 
C. 
D. 
Solve the problems.Jarod calculated the speed of a train to be 28 feet per second. Calculate the speed in miles per hour. Round to the nearest whole number.
A. 15 mi/hr B. 22 mi/hr C. 16 mi/hr D. 19 mi/hr
Provide an appropriate response.Publicly held corporations are characterized by: I. they sell shares of stock to the public II. stock in these corporations are publicly traded III. all stock is held privately by individuals or groups
A. both I and II B. II only C. I only D. III only
Write the number in scientific notation.420,000
A. 4.2 × 10-6 B. 4.2 × 105 C. 4.2 × 10-5 D. 4.2 × 106