Yes, since you can multiply 2/5 numerator and denominator to get the rest of the fractions, it makes them all equivalent.
Answer:

Step-by-step explanation:
<u>Evaluating Functions</u>
Given a function y=f(x), evaluate the function for x=a means substituting the variable for the given value.
We have the function:

Find f(-1):




Answer:
4-a-b/2ab
Step-by-step explanation:
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Answer
The Associative Property of Addition
Step-by-step explanation:
Because according to that property, you can group any two numbers and the answer will be the same.