Perform the division.
A. 3r9 - 5r6
B. 3r7 - 5r4
C. 3r8 - 5r5
D. 15r7 - 25r4
Answer: B
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Provide an appropriate response.If 3 is substituted for x in the rational expression 
, the result is 
. An often-heard statement is "Any number divided by itself is 1." Does this mean that this expression is equal to 1 for x = 3? Explain why or why not.
What will be an ideal response?
Give the domain and range of the relation.
A. domain: [0, ?); range: (-?, ?) B. domain: [0, ?); range: [0, ?) C. domain: [0, ?); range: [-1, ?) D. domain: (-?, ?); range: [-1, ?)
Simplify the expression. All exponents should be positive integers.
A. 
B. 
C. 
D. 
Write the ratio as a ratio of whole numbers using fractional notation. Write the fraction in simplest form.44 hours to 32 hours
A. 
B. 
C. 
D. 