Provide an appropriate response.
and 
__________.
A. intersect
B. are perpendicular
C. are parallel
D. coincide
Answer: D
Mathematics
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Use a positive rational exponent to write the expression.
A. 41/5
B. -51/4
C. 51/4
D. 
Mathematics
The graph of a function f is given. Use the graph to answer the question.For what numbers x is f(x) > 0?
A. [-50, -30), (35, 50) B. (-30, 35) C. (-? -30) D. (-30, ?)
Mathematics
Evaluate the series, if it converges.
A. Does not converge.
B. - 
C. 
D. 
Mathematics
Use the graph to solve the problem.In one city, the temperature in Fahrenheit on a typical summer day can be approximated by the following function:
Here, t represents the number of hours since 
The graph of this function is shown below. At what time does it start to get cooler?
A. At 3 p.m. B. At 1 p.m. C. At 10 a.m. D. At 4 p.m.
Mathematics