the required algebraic expression is: 
Step-by-step explanation:
We need to write the algebraic expression of the sum of a number z divided by three and the number
Let the number be z
a number z divided by three: 
the sum of a number z divided by three and the number: 
So, the required algebraic expression is: 
Keywords: Algebraic expression
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Answer:
9
Step-by-step explanation:

"P" in PEMDAS is parentheses which is done first.

"S" is substraction done next.

Answer:
Most countries use the Metric system, which uses the measuring units such as meters and grams and adds prefixes like kilo-, milli- and centi- to count orders of magnitude.
Answer:

<h2>55° is the right answer.</h2>
The first step is to remove the bracket
(3\4=0.75)
0.75 x 13+-18
then multiplication
then subtraction