Answer:
Zero is neither positive nor negative integer and is known as origin.
Answer:
Yes, 15 miles.
Step-by-step explanation:
You need to use proportions. For example with biking:

Using cross products:



The same is true for running:





The total distance is the sum of these two:

Answer:
C: $508.06
Step-by-step explanation:
You read the balance in the "balance" column on the line marked "car payment." It is $508.06.
Answer:
$42.40
Step-by-step explanation:
The horizontal axis is in fractions.
The three lightest are two
pounds & one
pounds. Each cost $4.40 per pound.
So cost = 4.40(5/8+5/8+6/8) = $8.8
Remaining costs 4.80 per pound. We add up the remaining and multiply by 4.80 to get their cost.
cost = 
Hence, total cost = 8.8 + 33.6 = $42.40