Answer:
Step-by-step explanation:
Put the equation in the form ax+by+c=0:

Check the solutions:
:

So this is not a solution.
(
:

So this is a solution
I think 22 is 60 idk though but I think
dividing 11.5 by 5 gives you the unit rate, then you just multiply that answer by 2 and you should be okay
Answer:
55
Step-by-step explanation:
Divide both sides by 3.14 to get d by itself.
172.7 / 3.14 = 55 = d
Answer:
1) 9x-4
Step-by-step explanation:
7x+2x= 9x
-8+4= -4
9x-4