Solve the problem.A repair company's charge for repairing a certain type of copy machine fits the model 
where y is the number of dollars charged and x is the number of minutes the repair person is on the job. How many minutes would it take for the cost of repair to reach $110? (Round to the nearest minute.)
A. 171
B. 101
C. 255
D. 10
Answer: B
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Find the flux of the curl of field F through the shell S.F = (z - y)i + (x - z)j + (z - x)k; S: r(r,? ) = r cos?i + r sin?j + (9 - r2)k, 0 ? r ? 3 and 
A. 18? B. -18? C. -36? D. 36?
Solve the problem.In 1998 your car cost $13,396. In 2000 your car cost $16,844. How much did the price increase?
A. $2448 B. $3448 C. No increase, it was a decrease. D. $4448
Solve.x2 + y2 = 24y2 = 2x + 21
A. (1, 2
), (-3, 2
), (1, -2
), (-3, -2
)
B. (1, 
), (-2, 
), (1, -
), (-2, -
)
C. (2, 
), (-3, 
), (2, -
), (-3, -
)
D. (1, 
), (-3, 
), (1, -
), (-3, -
)
A freelance computer consultant keeps a database of her clients, which contains the names
?
?
The following clients owe her money:
?
?
The following clients have employed her in the last year:
?
?
Find the clients who do not owe her money or have employed her in the last year.
?
A. 
B. 
C. 
D. 
E. 