Solve the problem.It costs $37 per hour plus a flat fee of $29 for a plumber to make a house call. Find the total cost to have a plumber come to a house for 10 hours.
A. $327
B. $1083
C. $370
D. $399
Answer: D
Mathematics
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A. function B. not a function
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Find equations for the tangent plane and the normal line to the surface with equation x² + 9y² + 9z² = 22 at the point P(2, 1, 1).
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Use < or > to complete the following. 210 yd 
210 m
A. < B. >
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The vector v has initial point P and Terminal Point Q. Write v as a position vector.P(-5.5, 7.9), Q(-1.9, -4.6)
A. 
B. 
C. 
D. 
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