Evaluate the expression x - y for the given values of the variables.x = -5, y = 20
A. 15
B. -25
C. -15
D. 25
Answer: B
Mathematics
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Body surface area (BSA) is often used to calculate dosages for some drugs. BSA is calculated in square meters using a person's weight and height.BSA = 
Calculate the BSA for an adult whose height is 151 cm and weight is 63 kg. Round to the nearest hundredth, if necessary.
A. 1.63 sq m B. 2.63 sq m C. 5.14 sq m D. 16.26 sq m
Mathematics
Provide the proper response.True or false? 
= A if A is negative.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics
Use the graph of a known basic function and horizontal shifts to sketch the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics