Subtract :) Hope this helps
Answer:
No, it isnt a solution
Step-by-step explanation:
Even though it works for one equation, it doesnt work on the other. You have to have the solution work for both equations so that it can be a true solution. Hope this helps you understand!
Answer:
the total surface of the box is 486 cm 2
.......
Answer: B or D
Step-by-step explanation: