a) is your answer
You need to divide the distance by the time so you can get the yards per second.
5/30=1.666666
1.66666=1 and 2/3
X/360 = 55/100
Cross multiply 55 by 360 and 100 by x.
19,800/100x.
X = 198.
198 people passed.
Additive inverse means the sum should be 0
so all you gotta do is multiply the complex number by -1
(the question isn't clear so I can't state the option)
Plot point F where angle alpha is located.
Triangle ABF has two interior angles x and 80. They add to the exterior angle alpha due to the remote interior angle theorem.
alpha = x+80
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Answer: Choice D</h3>
