Solve the problem.An event planner expects about 165 people at a wedding. He knows that this estimate could be off by 
(more or fewer). Food for the event costs $40 per person. How much might the event planner's food expense be?
A. between $0 and $7600
B. between $5600 and $7600
C. between $3125 and $5125
D. Not enough information is provided.
Answer: B
Mathematics
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Solve.
= 6
A. 2 B. 12 C. -4 D. 6
Mathematics
Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered triple.5x + 2y + z = -112x - 3y - z = 177x + y + 2z = -4
A. (0, -6, 1) B. (0, 6, -1) C. (3, 0, -4) D. (-3, 0, 4)
Mathematics
Convert the angle to a decimal in degrees. Round the answer to two decimal places.127°58'55''
A. 128.04° B. 127.99° C. 127.94° D. 127.98°
Mathematics
Solve the logarithmic equation.ln x - ln (x - 5) = ln 2
A. -3
B. 
C. 10
D. ?
Mathematics