Solve the problem.If a roll of wallpaper costs $27, how much will 9 rolls cost?
A. $42
B. $243
C. $249
D. $36
Answer: B
Mathematics
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Convert 116 kilograms to pounds.
A. 2,552 lb B. 260.2 lb C. 255 lb D. 267.2 lb E. 255.2 lb
Mathematics
Provide an appropriate response.What is the base if the portion is 24 and the rate is 
%?
A. 72 B. 0.125 C. 8 D. 100
Mathematics
Solve.Acme Computer Products finds that the marginal revenue R in producing x computer networking connectors is given by the polynomial function 
dollars/connector. Find an equivalent expression for R(x) by factoring out 
x.
A. 
x
B. 
x(900 - x)
C. 
x
D. 
x
Mathematics
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
Mathematics