Find the volume. Use ? ? 3.14. Round to the nearest tenth when necessary.a cone with height 20 in. and radius 8 in.
A. 2009.6 in.3
B. 2679.5 in.3
C. 1339.7 in.3
D. 334.9 in.3
Answer: C
Mathematics
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Graph the equation. Include the coordinates of any local and absolute extreme points and inflection points.y = 
A. local minimum: 
no inflection points
B. local minimum: (0, 0)
inflection points: 
, 
C. local minimum: (0, 0)
no inflection points
D. local minimum: 
no inflection points
Mathematics
Express the graph shown using interval notation. Also express it as an inequality involving x.
A. (-6, ?) x > -6 B. [-6, ?) x ? -6 C. (-?, -6) x < -6 D. (-?, -6] x ? -6
Mathematics
Find the area of the geometric figure.
A. 18 sq ft B. 40 sq ft C. 80 sq ft D. 160 sq ft
Mathematics
Solve the equation.
= x + 6
A. {-4, -3} B. {-4} C. {4} D. {-4, 4}
Mathematics