Answer:
The mean is 
Step-by-step explanation:
Answer:
3j + 3m + 21
Step-by-step explanation:
Normally, they would each travel 3 miles, so the total would normally be 3j + 3m. However, for today, Jared ran another 21 miles, so 21 miles is added to the total.
Total distance = 3j + 3m + 21
Answer:
a
Step-by-step explanation:
Answer:

Step-by-step explanation:
well, by using definition of tan of an angle
let the distance between Earth and shooting star is
.
since
,
then 