Convert the units using unit fractions.6750 lb = 
tons
A. 3
B. 6
C. 4
D. 2
Answer: A
Mathematics
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Find the volume of the described solid.The base of the solid is the disk x2 + y2 ? 9. The cross sections by planes perpendicular to the 
between 
and 
are isosceles right triangles with one leg in the disk.
A. 72 B. 90 C. 144 D. 18
Mathematics
Simplify the expression. Write the result using positive exponents only.
A. 
B. y9
C. 
D. 
Mathematics
Solve the problem.Find three consecutive odd integers such that the sum of all three is 36 less than the product of the smaller two.
A. 7, 9, 11 B. -6, -4, -2 C. 5, 7, 9 D. 7, 9, 11, or -6, -4, -2
Mathematics
Perform the indicated operation and write the answer in the form 
where a and b are real numbers.(4 + 8i)(9 - 4i)
A. 68 - 56i B. 4 + 88i C. 68 + 56i D. -32i2 + 56i + 36
Mathematics