Rafael writes an expression to represent “a number, n, decreased by thirty-one.” Then he evaluates that expression if n = 29. Which statements are true about the expression and its evaluation? Check all that apply. The correct expression is 31 minus n.
This is a subtraction expression.
This is an addition expression.
To evaluate, substitute 29 for the variable in the expression.
To evaluate, substitute 31 for the variable in the equation.
To evaluate the expression, add 31 to 29.
The correct expression is n minus 31.
To evaluate the expression, subtract 31 from 29.

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The correct alternatives

This is a subtraction expression

The correct expression is n minus 31

To evaluate the expression, subtract 31 from 29.

Step-by-step explanation:

Rafael writes an expression to represent “a number, n, decreased by thirty-one.”

First you gotta know what means "decreased by thirty-one". It means that

there exist two numbers where the difference between them is 31.

The number decreased by 31 can be writen as

The expression is therefore

Rafael evaluates the expression for

x = 25/2304

step-by-step explanation:

answer: i realy don't get it that much can you me figer it out pleas you

step-by-step explanation: