Solve the equation.4-x = 
A. 
B. {4}
C. 
D. {-4}
Answer: B
Mathematics
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Solve the problem.The floor plan of a building is shown in the figure below. Is it possible to start in one of the rooms of the building, walk through each door exactly once, and end up in a different room from the one you started in? (Consider the outside a "room".) Justify your answer.
What will be an ideal response?
Mathematics
Rationalize the denominator.
A. 
B. 
C. 
D. 
Mathematics
Solve.Normal body temperature is 98.6°F. Ellen's temperature is 
How many degrees above normal body temperature is this?
A. 3.7° B. 3.8° C. 2.8° D. 2.7°
Mathematics
Find the solution set of the equation. If the equation has no solution write ? and if the equation is an identity so state.
= 
A. {2} B. {0} C. {-4} D. {4}
Mathematics