Bear in mind that for y intercept x=0 and for x intercept y=0
The first cube is 12, the second one is 10. Just do length times width times height.
Answer:
<h2>3x + y = 1</h2>
Step-by-step explanation:

Answer:
-I
Step-by-step explanation:
Given :
I= 
Now

And 
Answer will be -I
No solutions
Explanation: Any number you use, the equation of x + 7 will always be 2 more than x + 5