Answer:
Option (1)
Step-by-step explanation:



System of equations can be written as,


Therefore, system of equations given in Option (1) is the correct option.
Answer:
A and D
Step-by-step explanation:
It has zero solutions because when u subtract z to the other side u get nothing which equals to 2
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I'm unsure how to properly express how to do this to you but here is a list of steps on how to solve it. Good luck.
39 students. 25% of 52 is 13. that is absent students. 52-13=39 which is present students