Answer:
Step-by-step explanation:
Substitute into second equation:
Substitute and
into the third equation:
Substitute into
:
Plug in y and z values into :
Audrey charges a flat fee of $4 for each delivery plus a certain amount, in dollars per mile , for each mile she drives .for a d
1 answer:
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The value of the expression is
Explanation:
The expression is
The value of the expression can be determined using the rule PEMDAS.
According to the PEMDAS rule, first we need to perform the operation which is within the parenthesis.
Thus, the expression becomes,
Multiplying the values within parenthesis, we have,
Using PEMDAS, we need to multiply the numbers.
Again using PEMDAS rule, divide the number,
Finally, using PEMDAS, let us add the values, we have,
Thus, the value of the expression is