Answer:
78
Step-by-step explanation:
(-5)•(-5) + 3•21= 25+ 63= 78
Answer:
B
Step-by-step explanation:
see attachment
Answer:
0.5, 80%
Step-by-step explanation:
Answer:
{(-2, 5), (1, -1), (2, -2), (5, 2)}
From the research I just did, it seems that 6 lines will be drawn when constructing an inscribed square.
Hope this helped :)
