Use division properties of one and zero to quickly determine the quotient, or state that the expression is undefined.0 ÷ 9
A. 1
B. Undefined
C. 0
D. 9
Answer: C
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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
Solve the problem.The data below represent the average monthly cost of natural gas in an Oregon home. 
Above is the graph of 45.05 sin x superimposed over a scatter diagram of the data. Find the sinusoidal function of the form 
which best fits the data.
A. y = 45.05 sin 
+ 66.25
B. y = 45.05 sin 
+ 21.20
C. y = 45.05 sin 
+ 21.20
D. y = 45.05 sin 
+ 66.25
Translate the word statement into a percent equation. Do not solve.38.4% of what is 94?
A. 38.4% = p × 94 B. 38.4% + p = 94 C. 38.4% ? p = 94 D. 38.4% × 94 = p
Solve the inequality algebraically. Express the solution in interval notation.
< 1
A. (-?, -3) ? (2, ?) B. (-3, ?) C. (-?, -3) D. (-3, 2)