The surface area of a shape is the amount of space on the shape
When the dimensions are quadrupled, the new surface area would be 16 times the initial surface area
<h3>How to determine the surface area</h3>
The surface area of a rectangular prism is:

When quadrupled, we have:

Factor out 16

Substitute 

The above means that:
The new surface area would be 16 times the initial surface area
Read more about surface areas at:
brainly.com/question/24571594
Answer:
20x
Step-by-step explanation:
5x * 4 = 20x
You can add the two fractions by turning 1/2 and 5/6 to have the same denominator.
Turn 1/2 into a fraction with a denominator of 6.
It would equal 3/6
5/6+ 3/6= 8/6
That simplifies to 1 1/3.
Hope this helps you!
Brainliest answer is always appreciated!
Answer:
Fraction form: 3/8 Decimal form: 0.375
Hope this helps!