Simplify.
2 ? 
A. 
B. 
C. - 
D. - 
Answer: A
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Write the equation of the ellipse with foci at 
, 
and 
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?
A. 
?
B. 
C. 
D. 
E. none of these
For the measured quantity, state the set of numbers that is most appropriate to describe it. Choose from the natural numbers, integers, or rational numbers.The populations of armies of termites living in the walls of houses
A. Integers B. Natural numbers C. Rational numbers
Solve. Write a mixed numeral for the answer.A laminated lab bench has 1
inches of plywood, 2
inches of pressed board, and 
inch of formica. What is the thickness of the lab bench?
A. 4
in.
B. 1
in.
C. 
in.
D. 
in.
Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
- 
A. 
B. 
C. 4
D. 4x