Find the measure of the dihedral angle indicated.The figure shown is a right prism whose bases are regular nonagons. Find the measure of the dihedral angle between adjacent lateral faces.
A. 40°
B. 140°
C. 144°
D. 90°
Answer: B
Mathematics
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Determine whether the given function is even, odd, or neither even nor odd.
A. Even B. Odd C. Neither
Mathematics
Provide an appropriate response.Find the equation of the line that is normal to the line 2x - y = 5 and passes through the point (2, 7). Write the equation in standard form.
A. x + 2y = 16 B. 2x - y = -3 C. x + 2y = 12 D. x - 2y = -12
Mathematics
Rationalize the denominator. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
- 
Mathematics
Solve the system. 3x - y = 12 2y + z = 15x + 4z = 41
A. (-5, -3, -9) B. (z + 12, -z + 15, z) C. (5, 3, 9) D. No solution
Mathematics