Answer:

Step-by-step explanation:





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Answer:
105/8 inch^3
Step-by-step explanation:
7/2*5/2*/3/2 = 105/8
Answer:
The letter "x" is often used in algebra to mean a value that is not yet known.
It is called a "variable" or sometimes an "unknown".
But in some cases, x can be equal to 1 like example when working with exponents.
Step-by-step explanation:
That every week Elena pays her brother $3
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