Answer with Step-by-step explanation:
Let A is non-singular

We have to prove that
is unique.
Suppose B and C are inverse of A such that
and AC=I
By using property 




Hence, the inverse of A is unique.
Answer:
a
Step-by-step explanation:
X - number of customers

There can't be a fraction of the number of people, so there must be some mistake in the question.
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Here’s the answer, hope it helps. Btw these are screenshots from someone else’s work not mine
Step-by-step explanation:
To find how many they can make in one hour simply divide both the amount of bagels they made by ten.
230 bagels = 10 hours
23 bagels = 1 hour.
Multiply this by twenty three
529 bagels = 23 hours