The correct answer is B. For sure it is. It took a while to solve in my head
Answer:

Step-by-step explanation:
Reference angle = 30°
Opposite side = x
Adjacent side = 2
Apply the tan trigonometric function, thus:



(tan 30 = 1/√3)

Rationalize


21,000+21,000=42,000
I hope it helps
Mario's mistake is made when doing reciprocal.
7 / (2/3) =
I cannot divide by 2/3, but if I do reciprocal, I can multiply by 3/2. The seven comes first, so it should not be flipped.
Mario's mistake was when he flipped the 7 (or 7/1) to 1/7.
Answer:
6 will be filled
There will be 5 to ride the last car.
Rate 5 stars thanks.