Find a constant k so that kf is a probability density function, or state it does not exist.f(x) = 
A. k = 
B. k = 
C. does not exist
D. k = 6
Answer: D
Mathematics
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Solve the problem.Steve is 15% taller than Andy but proportioned in exactly the same way. If Andy is 235 pounds, how much does Steve weigh?
A. 313 lb B. 406 lb C. 459 lb D. 357 lb
Mathematics
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Incorrect; should be 995 R4 B. Incorrect; should be 994 R5 C. Correct D. Incorrect; should be 995 R6
Mathematics
Write the quotient in the standard form.
A. 
+ 
i
B. - 
+ 
i
C. - 
- 
i
D. 
+ 
i
Mathematics
Tell which brand is the better buy.Brand X: 8 ounces for $2.80; Brand Y: 12 ounces for $4.32
A. Brand X B. Brand Y C. The brands are equal values. D. Not enough information is provided.
Mathematics