Find the area of the figure. Use 3.14 for ?.
A. 53.67 m2
B. 39.54 m2
C. 32.02 m2
D. Not enough data
Answer: B
Mathematics
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Express the given quantity in terms of sin x or cos x.sin 
A. cos x B. -cos x - sin x C. -cos (-x) D. -cos x
Mathematics
Find the derivative.y = 
(7x + 7) 3
A. 
(7x + 7) 2
B. 
x(7x + 7) 2
C. 
(7x + 7) 2
D. 
(7x + 7) 2
Mathematics
The equation of motion is given for a particle, where s is in meters and t is in seconds. Find the acceleration after 2.5 seconds.
s = sin2?t
Mathematics
Multiply.(x2 - 4x - 5)(3x2 + 2x - 2)
A. 3x4 - 12x3 - 25x2 - 2x + 10 B. 3x4 - 10x3 - 23x2 - 2x + 10 C. 3x4 - 10x3 - 25x2 - 2x + 10 D. 3x4 - 12x3 - 23x2 - 2x + 10
Mathematics