<em>Note: Your answer choices remain a little unclear. But, I have solved the concept and solution, so you can easily figure it out.</em>
Answer:

Step-by-step explanation:
Given the expression

solving the expression

apply the rule: 


simplify

Therefore, the simplified form is:

<em>Note: Your answer choices remain a little unclear. But, I have solved the concept and solution, so you can easily figure it out.</em>
An algebraic expression doesnt have an equals sign or an inequality sign.
So,
A is an expression
B is an inequality
C is an equation
D is an in inequality
So the answer is A
There is nothing here for anyone to work off, If you have a picture or screenshot that would be very nice!
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You can be getting tails once and heads three times.
Fraction would be 1/4
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To compare you should make the down part equal first
27/45 < 30/45