A cake recipe calls for 1 cup of oil. Jean needs to make 12 cakes for her school bake sale. How many quarts of oil will Jean nee
2 answers:
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Cost price:-
- Commision=$6
- Total sold price=815+6=823$
Now
Return=823-700=123
Rate of return
For this case we have to define root properties:
In addition, we know that:
On the other hand:
Thus, we can rewrite the given expression as:
ANswer:
Option B
ANSWER
EXPLANATION
We want to simplify the expression,
Let us expand the bracket to obtain,
We now group the complex number parts and real number parts.
We simplify further to obtain,
This is in the form,
where
and
EXPLANATION
We want to simplify the expression,
Let us expand the bracket to obtain,
We now group the complex number parts and real number parts.
We simplify further to obtain,
This is in the form,
where
and