Solve.Body mass index is given by the formula I = 
, with W being the person's weight (in pounds). Mary's height is 63 in. What weights W will allow Mary to keep her body mass index I between 18.5 and 25? Round the answer to the nearest tenth of a pound.
A. 95.3 lb < W < 127 lb
B. 104.2 lb < W < 140.8 lb
C. 123 lb < W < 146.9 lb
D. 1.7 lb < W < 2.2 lb
Answer: B
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Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r sin ? = 4
A. x = 4; vertical line 4 units
to the right of the pole
B. y = -4; horizontal line 4 units
below the pole
C. x = -4; vertical line 4 units
to the left of the pole
D. y = 4; horizontal line 4 units
above the pole
Find the domain of the function.f(x) = 
+ 
A. (-?, -6) or (-6, 3) or (3, ?) B. (-?, ?) C. (-?, -6) or (3, ?) D. (-?, -3) or (-3, 6) or (6, ?)
Solve the problem.A town has a population of 1000 people and is increasing by 9% every year. What will the population be at the end of 9 years? Round answer to the nearest whole number.
A. 1810 B. 1993 C. 2367 D. 2172
Multiply and simplify.
? 
A. 
B. 
C. 
D. 