X can always be used a 1 .
B: z=80___________________________________
Answer:
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Step-by-step explanation:
Given:
The expression to expand is given as:
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Let us expand the first two binomials of the given expression using FOIL method.
The FOIL method states that:
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
Now, let us multiply the result with the remaining binomial. Multiplying each term of the trinomial with each term of the binomial, we get:

Therefore, the equivalent expression after expanding is given as:
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Step-by-step explanation:
It is given that, an air conditioning system can circulate 320 cubic feet of air per minute. We need to find how many cubic yards of air can it circulate per minute?
1 yard = 3 foot
1 feet = (1/3) yard
320 feet = 106.66 yard

So, it will circulate 11.85 cubic yard of air per minute.
Answer:
there isnt enough info
Step-by-step explanation: