Answer:
The answer is C. AAA is not a congruency postulate because the side lengths may be different sizes although the angles are the same.
Answer: I’m pretty sure its D) 1 1/9
Answer:
a) 7x-2
b) 28x-8
c) length of a side: 26 in, perimeter: 104 in, area: 676 square inches
i’m not quite sure abt c but i hope this helps :)
0.097- or it could be 0.10 if you round it
Im gonna take an educated guess on this. for the first part only one element has an outershell filled completely. but if they want two elements put chlorine. to lose electrons is probably helium to gain is magnesium. and the last one is lithium and helium because they're small and don't have allot of atomic mass
