Answer:
1
Step-by-step explanation:
32-24 gives you 8
So she only needs one.
71.51
A=ah+bh+ch+1
2﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=3·3+7·3+7·3+1
2·﹣34+2·(3·7)2+2·(3·7)2﹣74+2·(7·7)2﹣74=71.51219
look at the picture I have sent
brah
4/3
