Answer:
You need to stop relying on this website.
Step-by-step explanation:
Anytime you find a challenging problem you will automatically go to this website thus not gaining any intelligence.
Answer: x = 4, y = 3
<u>Step-by-step explanation:</u>
and 
Using substitution method we get:

I think its 1/10 miles/hour
Answer:
C
Step-by-step explanation:
(0,-4) (-4, -3)
-3- -4 / -4 -0 = 1/-4 is the slope
so is C
Answer:
5/21
Step-by-step explanation:
5/3/7=?
so 5/3 *1/7=5/21
so 5/21 is your answer