Find the reciprocal.- 
A. -7
B. - 
C. - 
D. - 
Answer: C
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Name the following angle using three kinds of notation, if possible.
A. ?BCA, ?B B. ?BAC, ?B C. ?ABC, ?B D. ACB, ?B
Solve.John owns a hotdog stand. He has found that his profit is represented by the equation 
with P being the profit in dollars, and x the number of hotdogs sold. How many hotdogs must he sell to earn the most profit?
A. 49 hotdogs B. 30 hotdogs C. 24 hotdogs D. 31 hotdogs
Convert as indicated.The meeting hall in the student union has 10,800 square feet of floor space. Convert this to square yards.
A. 97,200 sq yd B. 3600 sq yd C. 32,400 sq yd D. 1200 sq yd
Use Gaussian elimination to solve the linear system by finding an equivalent system in triangular form.
A. (-2, 2, -5) B. (-2, -5, 2) C. no solution D. (2, -5, -2)