Answer:
d
Step-by-step explanation:
Answer:19.7
Step-by-step explanation:
Sin‐(7.5/22.3) on your calculator
The answer to 3 significant figures is 19.7
Answer:
Should be 1/2, or 0.5
Step-by-step explanation:
The mean is the average, so we divide the sum of the numbers(-1+0+1+2=2) by the quantity(4).
Answer: 
This can be written as a = (f-v)/t
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Work Shown:

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Note
is the same as 
Here's how you solve this problem.
1) find how many kilometers equals 1 mile (16/10=1.6).
2) Divide 100 (from 100 km/h) by 1.6 (1.6×100=62.5).
3) solve for mph.
The answer is 62.5mph.