A.rolling a number cube labeled 1 to 6, and landing on a 2 or 4
Assuming that you mean to put n instead of 5, this is demonstrating The Identity Property.
The identity property is the property that states that by adding 0 to a number, you don't change the value. For example, 510 + 0 = 510.
Answer:

Step-by-step explanation:
Using the rule of exponents
=
, then
= 
Answer: 4($9.95)+2($12.95)+($15.95)=115
Step-by-step explanation:
Answer:
x = 125
Step-by-step explanation:
Given
= 25
Multiply both sides by 5 to clear the fraction
x = 5 × 25 = 125
x = 125