Solve the problem.If an object weighs m pounds at sea level, then its weight W (in pounds) at a height of h miles above sea level is given approximately by W(h) = m 
2. How much will a man who weighs 165 pounds at sea level weigh on the top of a mountain which is 14,494 feet above sea level? Round to the nearest hundredth of a pound, if necessary.
A. 165.23 pounds
B. 164.77 pounds
C. 165 pounds
D. 7.72 pounds
Answer: B
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Evaluate the expression.
A. 
B. 
C. 
D. 5
E. -5
Solve the problem.Two pieces of metal each have the same mass, m. The first piece has a density of d1 g/cm3 and the second has a density of d2 g/cm3. The total volume of the two pieces of metal is given by the sum 
+ 
. Write this expression as a single rational expression.
A. 
B. 
C. 
D. 
Solve the problem.All of the 37 students in Mrs. Dill's homeroom are members of either the school band or chorus, and some are members of both the school band and chorus. If 20 students belong only to the band and 12 students belong only to the chorus, how many students are members of both the school band and chorus?
A. 5 B. 17 C. 25 D. 37
Multiply and simplify.
? 
A. 
B. 
C. 
D. 120xy