Find an equation for the graph.
A. y = 2 cos (4x)
B. y = 2 cos 
C. y = 4 cos 
D. y = 4 cos (2x)
Answer: C
Mathematics
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Classify the triangle as acute, right, or obtuse and as equilateral, isosceles, or scalene.
A. Acute, equilateral B. Obtuse, scalene C. Obtuse, equilateral D. Right, scalene
Mathematics
Provide an appropriate response.Subtract:7,008- 3,463
A. 3,645 B. 4,465 C. 4,645 D. 3,545
Mathematics
Find the measure of the dihedral angle indicated.The figure shown is a right prism whose bases are regular hexagons. Find the measure of the dihedral angle between each lateral face and a base.
A. 135° B. 60° C. 90° D. 120°
Mathematics
Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics