Answer:
Variable = x
Expression : 

Explanation:
Given: The phrase "the quotient of 2 times a number and 19" 
We have to split the phrase. 
Let number be x 
Phrase: "2 times a number" 
Expression: 2x
Phrase: "quotient of 2 times a number and 19"
Expression: 

Final expression: 

Hence, The variable is x and expression 
