Solve by the quadratic formula. If there are no real roots, say so.6n2 = -12n - 3
A. n = 
B. n = 
C. n = 
D. n = 
Answer: C
Mathematics
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Perform the conversion. Round to the nearest hundredth when necessary.18.7 cm to in.
A. 1870 in. B. 47.50 in. C. 7.37 in. D. 0.19 in.
Mathematics
Calculate the area of the surface S. S is the portion of the cone 
+ 
= 
that lies between z = 2 and z = 6.
A. 72
?
B. 30
?
C. 30
D. 24
?
Mathematics
Approximate, to the nearest tenth, the total surface area of the cone satisfying the given conditions.radius = 6 cm, height = 5 cm
A. 94.2 cm2 B. 260.2 cm2 C. 113.0 cm2 D. 78.5 cm2
Mathematics
Identify the pair of lines as parallel, perpendicular, or intersecting.
A. Perpendicular B. Intersecting C. Parallel
Mathematics