Solve.A consultant charges $350 plus $35 an hour. How many hours did the consultant work if the total bill were $910?
A. 10 hours
B. 560 hours
C. 16 hours
D. 26 hours
Answer: C
Mathematics
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Simplify by rationalizing the denominator. Write your answer in a + bi form.
A. 
- 
i
B. 18 + 1i
C. 
+ 
i
D. 
- 
i
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Use a graphing utility to graph the curve defined by the given parametric equations.x = 3 cos t, y = 2 sin t; 0 ? t ? 2?
A. 
B. 
C. 
D. 
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Use the product rule to find the derivative. (y-2 + y-1)(5y-3 - 6y-4)
A. 
B. 
C. 
D. 
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Find the perimeter. Use 3.14 for ? when needed.
A. 167.316 km B. 72.67 km C. 136.815 km D. 56.185 km
Mathematics