Solve quadratic equation by factoring.2x2 - 16x + 30 = 0
A. -3, -5
B. 0, 3, 5
C. 3, 5
D. 2, 3, 5
Answer: C
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Solve the problem. Round to two decimal places if needed.The minute hand of a clock is 7 inches long. How far does the tip of the minute hand move in 55 minutes?
A. 42.83 inches B. 38.58 inches C. 41.55 inches D. 40.32 inches
Solve.How many different 4-letter radio-station call letters can be made if the first letter must be K or W, letters may be repeated, and the call letters cannot end in an O?
A. 35,152 B. 456,976 C. 33,800 D. 16,900
Provide an appropriate response.Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below. Use a graphing calculator to find an equation of the least squares regression line of y on x.
A. 
= -47.3 + 2.02x
B. 
= 11.7 + 1.02x
C. 
= 2.81 + 1.35x
D. 
= 92.3 - 0.669x
Find the real solutions of the equation.
= x + 4
A. {5} B. {9} C. {1} D. {-5}