Basically, the equator is like the x-axis of the world and the prime meridian is like the y-axis. You locate places by distances from these lines.
Answer:

Step-by-step explanation:
{x -4y = −21
{8y - x = 45
_________

[Plug this back into both equations above to get the x-coordinate of 3]; 
I am joyous to assist you anytime.
28.4
Explanation
(Multiply the numbers) 3.24 x 10= 32.4
(Subtract the numbers) 32.4 - 4= 28.4
Answer: 66
Step-by-step explanation:
To solve for x in x+27=93, subtract both sides of the equation by 27
X + 27 -27= 93 - 27
X= 66
I hope this helps
Answer:
Not proportional
Step-by-step explanation:
3/6=1/3
14/28=1/2
16/32=1/3
17/34