Answer:
Step-by-step explanation:
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i think that this is wrong and your asswer 56b x56i +78 t and that this maybe wrong but atleast i tried to help!
Answer:
1. No Solution
2. One solution
3. Infinitely many solutions
Step-by-step explanation:
Let us try to solve each of the system of equations one by one.
1. 

This gives

which has no solutions.
2. 

let us write them in y-intercept form


and equate them

this gives
and

This equation has solutions.
3. 

Notice that the second equation is just the first equation multiplied by 2, or

<em>so these are identical equations and therefore</em> this system has infinitely many solutions.
Thus we have
1. No Solution
2. One solution
3. Infinitely many solutions
Answer: 2 x (1/2) = 1
The two numbers are inverses of each other multiplicative. Or, you could say that they are both inverses of each other. Choices A and B both show additive inverses so those can't be it. And the last shows identity.
Hope this helps :)<span />