Solve the problem.Which of the lines in the picture are lines of symmetry of the given figure?
A. l and n
B. No reflection symmetry
C. Only m
D. Only l
Answer: B
Mathematics
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Graph the polar equation.r = 4 - sin ?
A. 
B. 
C. 
D. 
Mathematics
The intensity I of a light a distance x meters beneath the surface of a lake decreases exponentially. If the light intensity at 6 meters is 76% of the intensity at the surface, at what depth (to the nearest tenth of a meter) will the intensity be 33%? ?
A. 24.2 meters B. 24.4 meters C. 25.1 meters D. 23.9 meters E. 24.8 meters
Mathematics
Graph the piecewise linear function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression.-2-4
A. 16
B. -16
C. - 
D. 
Mathematics