Solve the application.Find the area of the window. Use ? ? 3.14 and round to the nearest tenth if necessary.
3 dm
A. A ? 24.5 dm2
B. A ? 35.1 dm2
C. A ? 49.3 dm2
D. A ? 23.4 dm2
Answer: A
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 5 cos 2t + 4 cos 6t, y = 5 sin 2t - 4 sin 6t, 0 ? t ? ?
A. 
B. 
C. 
D. 
Find the product, if possible.
A. 
B. 
C. 
D. Not defined
Find the area of the circle. Use ? ? 3.14 and round to the nearest hundredth.radius = 8 yd
A. 100.48 yd2 B. 50.24 yd2 C. 803.84 yd2 D. 200.96 yd2
Solve.A Ferris wheel has a radius r of 26.8 feet. The height of the tower t is 36.6 feet. The distance d from the origin to the base is 22.5 feet. Find the standard form equation of the circle represented by the Ferris wheel. 
A. (x + 22.5)2 + (y + 36.6)2 = 718.24 B. (x - 22.5)2 + (y - 36.6)2 = 26.8 C. (x + 22.5)2 + (y + 36.6)2 = 26.8 D. (x - 22.5)2 + (y - 36.6)2 = 718.24