12/99 is the fraction form
Answer:
I think it's D
Step-by-step explanation:
Answer:
angle of depression = 24°
Step-by-step explanation:
The angle between BA and the horizontal broken line = 90°
Thus the angle of depression ? = 90° - 66° = 24°

1) In this problem, the first thing to do is to enlist the categories:
workers time to clean # apartments
8 2h15 12
8 9 x
2) Note that the number of cleaners is the same. So, we can pick the ratios that fall under the category <em>time </em>and <em>#apartments</em>
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We need to convert that 2h 15 into decimal form before setting the ratios:

3) Now, we can set the ratios and solve for x:

Thus, the answer is 48
Answer:
c or a
Step-by-step explanation: