Which expression represents a rational number? StartFraction 5 Over 9 EndFraction + StartRoot 18 EndRoot
Pi + StartRoot 16 EndRoot
StartFraction 2 Over 7 EndFraction + StartRoot 121 EndRoot
StartFraction 3 Over 10 EndFraction + StartRoot 11 EndRoot

Step-by-step explanation:

Given: expressions

To find: expression that denotes a rational number

Solution:

A number of the form where p and q are integers and is said to be a rational number.

Sum of a rational and irrational number is irrational.

In , is a rational number and is an irrational number

So, is not a rational number.

In , is an irrational number and 4 is a rational number

So,  is not a rational number.

In , is a rational number

So,  is a rational number

In , is a rational number and is an irrational number

So, is not a rational number.

the correct answer is you spend $55.78 more in a brand store that buy ing in a normal store.

step-by-step explanation:

brand = spend   $ 135.85 total

store = spend $80.07 total