Question

2 use an integer to describe the situation.
mount whitney’s elevation is 14,505 feet above sea level

3 write an expression to represent:
“the sum of a number and 7 cubed”

Explanation:

Step1: Define elevation integer

Elevations above sea level are positive integers.
The integer is $14505$.

Step2: Translate to algebraic expression

Let the number be $x$. 7 cubed is $7^3$. Sum means addition.
Expression: $x + 7^3$

Answer:

1. $14505$
2. $x + 7^3$