Answer:
5 gift bags
Step-by-step explanation:
8 x 5 = 40
10 x 4 = 40
They are called like terms
Seconded to the bottomed is symmetric property of equality
bottomed one is substitution property of equality
first one is reflexive property of equality <span />
Answer:
Check.
Step-by-step explanation:
To prove it we need to know that for two matrices A and B we have that:
det(AB) = det(A)*det(B) and
. Now:





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