Use polar coordinates to describe the region as shown in the figure below:
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: D
Mathematics
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Find the sum.44 + (-39)
A. -83 B. 83 C. -84 D. 5
Mathematics
Solve the problem.The logistic growth function f(t) = 
models the number of people who have become ill with a particular infection t weeks after its initial outbreak in a particular community. How many people were ill after 10 weeks?
A. 79,995 people B. 80,000 people C. 81,600 people D. 500 people
Mathematics
Determine whether the proportion is true or false.
= 
A. True B. False
Mathematics
Factor completely.49s2 - 144t4
A. (7s + 12t2)2 B. (7s - 12t2)2 C. (49s + t2)(s - 144t2) D. (7s + 12t2)(7s - 12t2)
Mathematics