Use the FOIL method to multiply the binomials. Assume any variable exponents represent whole numbers.(x + 7y)(x + 2y)
A. x2 + 9xy + 14y2
B. x + 9xy + 14y
C. x2 + 6xy + 14y2
D. x2 + 9xy + 9y2
Answer: A
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Use a CAS to solve the differential equation. Round your answers to the nearest ten-thousandth.4y'' + y' + 5y = 0, y(0) = 0, y'(0) = 2
A. y = 1.8001e-0.1250xsin 1.111024x B. y = 0.9001 sin 1.111024x C. y = 0.9001e-0.1250xsin 1.111024x D. y = 1.8001 cos 2.222049x
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.29 L = 
qt
A. 30.7 qt B. 13.2 qt C. 27.4 qt D. 34.8 qt
Set up the percent proportion for the application problem. Do not try to solve for any unknowns.11% of the baby salmon shipped from a hatchery do not arrive healthy. Of 4200 salmon shipped, how many do not arrive healthy?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Write out the sum.
A. 16 + 25 + 36 + ... + (n + 3)2 B. 4 + 5 + 6 + ... + (n + 3)2 C. (n + 3)2 D. 1 + 2 + 3 + ... + n