Answer the question.If we apply the quadratic formula and find that the value of b2 - 4ac is positive, what can we conclude about the solutions?
A. The equation has exactly one rational solution.
B. The equation has no real number solutions.
C. The equation has two real number solutions.
D. The equation has two irrational solutions.
Answer: C
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Solve the problem.An invoice received from Wharf Seafood Supply is dated Jan 1. The list price of the goods is $3531, with allowed series discounts of 20/10/10. If the cash terms are 4/15 ROG, and the goods were received Jan 15, find the amount to pay in full on Jan 28.
A. $1942.05 B. $2288.09 C. $3531 D. $2196.57
Solve the problem.The record low temperature for a City A is -8°F. If The record low temperature for City B is 5 times as cold as that of City A, what is the record low for City B?
A. 17°F B. -40°F C. -30°F D. -10°F
Solve the problem.The highway speeds of 100 cars are summarized in the frequency distribution below. Find the grouped mean rounded to the nearest tenth of a mile per hour. 
A. 60.8 mph B. 54.5 mph C. 58.1 mph D. 55.3 mph
Provide an appropriate response.The life expectancy (in years) of a computer printer is distributed exponentially with k = 
. If the printer's warranty lasts 3 years, what is the probability that a printer will break down during the warranty period?
Fill in the blank(s) with the appropriate word(s).