Simplify each side of the equation, if possible. Then solve the equation.n + 5 = -20 + 8
A. 17
B. -17
C. 33
D. -33
Answer: B
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Solve the problem.The price P of a certain computer system decreases immediately after its introduction and then increases. If the price P is estimated by the formula P = 130t2 - 2500t + 6500, where t is the time in months from its introduction, find the time until the minimum price is reached.
A. 19.2 months B. 38.5 months C. 9.6 months D. 12.5 months
The relationship between the Fahrenheit (F) and Celsius (C) temperature scales is given by the equation F = 9C / 5 + 32. Complete the following table to compare the two scales at the given values.
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Provide an appropriate response.True or False?The quotient of two irrational numbers is always irrational.
A. True B. False
Solve the problem.A store owner finds that the demand function for a product he sells is 
where D(p) is the number of items that can be sold in one day at a price of p dollars. For what prices is the demand elastic? Inelastic?
A. Elastic: 0 < p < 6.50 Inelastic: p > 6.50 B. Elastic: p > 3.25 Inelastic: 0 < p < 3.25 C. Elastic: p > 13.00 Inelastic: 0 < p < 13.00 D. Elastic: p > 6.50 Inelastic: 0 < p < 6.50