Provide an appropriate response.In a chemistry class, the following test scores were recorded for a student: 95, 92, 90, 89, 98, 94. Find the mean, median, and mode.
A. mean: 93, median: 93, mode: none
B. mean: 93, median: 89, mode: 98
C. mean: 92, median: none, mode: none
D. mean: 94, median: none, mode: 98
Answer: A
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Plot the complex number in the complex plane.4 + i 
A. 
B. 
C. 
D. 
Divide.34.86 ÷ 10
A. 348.6 B. 0.3486 C. 3.486 D. 3486
Determine whether the Law of Sines or the Law of Cosines should be used to begin to solve the given triangle. Do not solve the triangle. 
A. Law of Sines B. Law of Cosines
Solve the problem.A textbook economy has only two industries, the electric company and the gas company. Each dollar's worth of the electric company's output requires 0.20 of its own output and 0.4 of the gas company's output. Each dollar's worth of the gas company's output requires 0.50 of its own output and 0.7 of the electric company's output. What should the production of electricity and gas be (in dollars) if there is a $16 M demand for electricity and a $7 M demand for gas?
A. Electricity: $107.5 M; Gas: $100 M B. Electricity: $125 M; Gas: $92.5 M C. Electricity: $115 M; Gas: $103.5 M D. Electricity: $97.5 M; Gas: $103 M