Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
+ 
A. 
B. 6
C. 
D. 0
Answer: B
Mathematics
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Provide an appropriate response.Explain, using a diagram, why 1 sq. ft equals 144 sq. in.
What will be an ideal response?
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Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Incorrect; should be 5440 R1 B. Incorrect; should be 5440 R2 C. Correct D. Incorrect; should be 5439
Mathematics
Convert the base-ten number to a number in the indicated base.2,874 to base eight
A. 4572eight B. 5427eight C. 4527eight D. 5472eight
Mathematics
Give the value of the indicated trigonometric function of a vector with the indicated end point.(-20, 48); Find sin ?.
A. 
B. - 
C. 
D. - 
Mathematics