Factor by grouping.15x6 - 12x3 - 10x3 + 8
A. (3x6 - 2)(5x - 4)
B. (3x3 + 2)(5x3 + 4)
C. (15x3 + 2)(x3 + 4)
D. (3x3 - 2)(5x3 - 4)
Answer: D
Mathematics
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Solve the problem.An airplane has an airspeed of 125 km/h. It is to make a flight in a direction of 305° while there is a 
wind from 210°. What will the airplane's actual direction be?
A. 318° B. 107° C. 283° D. 292°
Mathematics
Perform the indicated operation.(2n7 + 2n - 3n4) + (9n4 + 8n7 - 6n)
A. 12n12 B. 10n7 + 6n4 - 4n C. 10n + 6n7 - 4n4 D. 10n7 + 11n4 - 9n
Mathematics
Identify the variable factors and indicate the degree.6cd4
A. d ? d ? d ? d; degree 5 B. 6 ? c ? d ? d ? d ? d; degree 4 C. c ? d ? d ? d ? d; degree 4 D. c ? d ? d ? d ? d; degree 5
Mathematics
Express the rational expression in lowest terms.
A. 
B. Already in lowest terms
C. 1
D. -1
Mathematics