Solve the problem.Find parametric equations for the normal line to the surface 
at the point 
A. 
B. 
C. 
D. 
Answer: C
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Evaluate the integral.
cos 5? d?
A. 
sin 5? - 
sin 3? - 
sin 7? + C
B. 
sin 5? - 
sin 7? - 
sin 3? + C
C. 
sin 5? - 
sin 3? - 
sin 7? + C
D. 
sin 3? - 
sin 5? - 
sin 7? + C
Provide an appropriate response.An investor purchased 150 shares of a stock at $15.80 per share. The investor holds the stock for 39 weeks and then sells the stock for $19.25 per share. Use the commission schedule for this company given below to find the annual rate of interest earned by this investor. Express your answer as a percentage, correct to one decimal place.PrincipleCommissionUnder $2500$25 + 1.6% of principle$2500 - $7500$38 + 1.1% of principleOver $7500$105 + 0.5% of principle
Fill in the blank(s) with the appropriate word(s).
Find the midpoint of the line segment joining the points P1 and P2.P1 = (-0.1, -0.8); P2 = (2, -1.5)
A. (0.95, -1.15) B. (-1.15, 0.95) C. (-0.35, 1.05) D. (1.05, -0.35)
A manufacturer has an order for 1,100 units of fine paper that can be produced at two locations. Let x?1 and x?2 be the numbers of units produced at the two plants. Find the number of units that should be produced at each plant to minimize the cost if the cost function is given by 
.
?
A. 
units and 
units
B. 
units and 
units
C. 
units and 
units
D. 
units and 
units
E. 
units and 
units