Find the amount of increase or decrease and the percent increase or decrease.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the area of the region specified in polar coordinates.the region inside 
and outside 
A. 25
B. 25
C. 25
D. 25
Mathematics
Use a proportion to solve the problem.On a map, the length of a nature-center trail is 7.4 centimeters. If the scale is 3 centimeters to 40 kilometers, what is the actual length of the trail?
A. 102.7 kilometers B. 197.4 kilometers C. 99.7 kilometers D. 98.7 kilometers
Mathematics
Determine the maximum possible number of turning points for the graph of the function.f(x) = - x2 + 12x + 11
A. 0 B. 2 C. 3 D. 1
Mathematics
Consider the simplex tableau that is the final one in a problem to maximize x + 2y + 3z. 
What is the maximum value of x + 2y + 3z?
A. -19. B. 0. C. -12. D. 19. E. none of these
Mathematics