Answer:
-20x 87y
Step-by-step explanation:
So you're trying to figure out the number of miles in a day, so you could do:
<u>total miles</u> = <u>miles</u>
total time day
<u>932.4 miles</u> = 310.8 miles per day
3 days
Answer:
16 and 32
Step-by-step explanation:
Answer:
Yes
Step-by-step explanation:
The z-score corresponding to a number or score can be calculated using:

Where x stands for the individual scores, and

stands for the mean.
Since

for all numbers or scores below the mean, the difference will always be negative these values below the mean.
This will always result in a negative z-score for all numbers below the mean.
The answers would be 12 and -16