Answer:
AAS' s congruence theorem will be used in this proof
If you gave out 4 cookie to people you would have 5 cookies leftover, but if you gave out 12 cookie to people you would need 11 more cookies.
From quadratic formula:
Q=1+168=169
X1,2=1±13/28=>
X1=14/28=1/2
X2=12/28=3/7
(X-X1) (X-X2) =0=>
(X-1/2)(X-3/7)=0
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Step-by-step explanation:
that looks hard