Find the area. Round your answer to the nearest hundredth if necessary.Find the area of a regular decagon (10 sides) inscribed in a circle of radius 10 inches.
A. 500 cos 36° ? 404.51 square inches
B. 500 sin 45° ? 353.55 square inches
C. 500 sin 36° ? 293.89 square inches
D. 1000 sin 36° ? 587.79 square inches
Answer: C
Mathematics
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Convert to radian measure. Round to two decimal places.107.4°
A. 1.87 B. 1.81 C. 1.82 D. 1.88
Mathematics
Solve for x and graph the results.3x + 6 < -6 or 9x + 1 > 19
A. 
no solution
B. 
C. 
D. 
Mathematics
Multiply.(-2)(-19)(-1) ? 0 ? 6
A. -228 B. 228 C. -38 D. 0
Mathematics
Identify the maximum and minimum values of the function in the interval [-2?, 2?]. Use your understanding of transformations, not your graphing calculator.y = -cos 8x
A. Maximum value = 8; minimum value = -8
B. Maximum value = 
; minimum value = - 
C. Maximum value = 1; minimum value = -1
D. Maximum value = 1; minimum value = 0
Mathematics