Solve the problem.A gazebo is designed with 5 sides, and a roof truss runs from each corner to the center. You make two cuts on the end of each truss so that a point is formed as illustrated. What angle (to the nearest degree) must each cut be so that the trusses fit together in the center of the roof?
A. 90°
B. 108°
C. 72°
D. 54°
Answer: D
Mathematics
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A. x4(4x5 + 12x3 + 8x - 10) B. 2x(2x8 + 6x6 + 4x4 - 5x3) C. 2(2x9 + 6x7) + x4(8x - 10) D. 2x4(2x5 + 6x3 + 4x - 5)
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Solve the problem.Find the slope, m1, of line l1, where 4 = m2 is the slope of line l2 and ? = 45° is the smallest positive angle from l1 to l2.
A. 
B. 
C. 
D. 1
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Provide an appropriate response.When an equation contains addition, the variable can be isolated by performing the opposite process (subtraction).
A. True B. False
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Establish the identity.
+ 
= -2 csc ?
What will be an ideal response?
Mathematics