Answer:
56.5
Step-by-step explanation:
Circumference = 
C = 3.14(18) = 56.52
5x + 2y = 12
-6x - 2y = -14
Add them
-x = -2
x = 2
5x + 2y = 12
(5*2) + 2y = 12
10 + 2y = 12
2y = 2
y = 1
Answer:
Option C
Step-by-step explanation:
thankful that there are graphing tools. see screenshot
Answer:
x1.20
y0.75)
Step-by-step explanation:
you have to simplify
Answer: x = 25
Step-by-step explanation: im pretty sure you would square 5 and get 25 then 15 and get 225, then you would divide those two numbers 225 and 25 and get 25