-21.8+18.3
or 18.3-21.8
or the answer which is -3.5
takes her 20 minutes to walk 1/2 a mile
2 miles=80 minutes
1/4= 10 minutes i think
so 80+10=1 1/2
{This is not my work!!!}
Answer: About 6.71 units
Step-by-step explanation:
You use the distance formula:
.
Assign the the two points to the variables:

Substitute them in the formula:

And solve it:

Answer:
idk im dumb just like you dude
Step-by-step explanation: