Give the number of degrees in each angle of each regular polygon.
A. 60°
B. 120°
C. 360°
D. 90°
Answer: D
Mathematics
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Solve the system analytically. x - y + 4z = -33x + z = 0 x + 5y + z = 15
A. {(0, 3, 0)} B. ? C. {(0, 3, -3)} D. {(0, 0, 3)}
Mathematics
Answer the question.Find a, b, and c so that the graph of the equation y = ax2 + bx + c passes through the points 
and 
A. y = 4x2 + 5x - 3 B. y = -4x2 + 5x + 3 C. y = 4x2 + 5x + 3 D. y = 4x2 - 5x + 3
Mathematics
Classify the pair as either equivalent expressions or equivalent equations.12(x - 1); 9x - 12 + 3x
A. Equivalent equations B. Equivalent expressions
Mathematics
Solve the right triangle shown in the figure. 
?A = 30°, 
= 18 ft, ?C = 90°
A. ?B = 60°, 
= 36 ft, 
= 9
ft
B. ?B = 60°, 
= 9
ft, 
= 36 ft
C. ?B = 60°, 
= 36 ft, 
= 18
ft
D. ?B = 60°, 
= 18
ft, 
= 36 ft
Mathematics