Solve the problem.The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches: 
What rainfall produces the maximum number of mosquitoes?
A. 0 in.
B. 8 in.
C. 64 in.
D. 4 in.
Answer: D
Mathematics
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Add.9985 + 8134
A. 18,109 B. 18,019 C. 17,119 D. 18,119
Mathematics
Graph the polar equation.r = tan ?, - 
< ? < 
A. 
B. 
C. 
D. 
Mathematics
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
- 
B. 
+ 
C. 
D. 
- 
Mathematics
After determining whether the variation model below is of the form 
or 
, find the value of k.
x
154
161
168
175
182
y
66
69
72
75
78
A. 
B. 
C. 
?
D. 
E. 
Mathematics