Solve the problem.A common equation used in business is a demand equation. It expresses the relationship between the unit price of some commodity and the quantity demanded. In the demand equation 
for a certain style of calculator, p is the price per calculator in dollars and x is the quantity demanded in thousands. Find the demand for the calculator if the price is $8 per calculator.
A. 44 thousand units
B. 50 thousand units
C. 10 thousand units
D. 11 thousand units
Answer: C
Mathematics
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Determine whether the series is convergent or divergent.
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Mathematics
Simplify the polynomial by combining like terms.3.6x3 - 6.5x + 11.8 + 1.9x - x3 - 8.2
A. 1.6x4 B. 2.6x3 - 4.6x + 3.6 C. 3.6x3 + 8.4x + 20 D. cannot be simplified
Mathematics
Use the addition property of equality to solve the equation.a - 6 = 6
A. 12 B. 0 C. -12 D. 0
Mathematics
Solve the problem.Within an area code, phone numbers consist of 7 numbers. If none of the first three numbers can be 0 or 1, how many different phone numbers are possible within an area code?
A. 2,097,152 B. 100,000 C. 10,000,000 D. 5,120,000
Mathematics