Perform the indicated operation or operations. Simplify, if possible.
- 
A. 3y
B. 0
C.
D.
Answer: A
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Find the mass of the lamina that occupies the region D and has the given density function, if D is bounded by the parabola x = y² and the line y = x - 2.
Round the number to the given place value.According to his ultra-precise scale, Paul gained 3.637 pounds in a three-month period. Round this amount to the nearest hundredth.
A. 0.64 pounds B. 3.64 pounds C. 3.65 pounds D. 4 pounds
Is the following correspondence a function?Domain: All students attending Laughlin Community CollegeCorrespondence: Each student's Social Security NumberRange: A set of Social Security Numbers
A. Yes B. No
Solve the problem.A $148,000 trust is to be invested in bonds paying 7%, CDs paying 6%, and mortgages paying 8%. The bond and CD investment must equal the mortgage investment. To earn a $10,860 annual income from the investments, how much should the bank invest in bonds?
A. $74,000 B. $24,000 C. $48,000 D. $50,000