Answer:
2
Step-by-step explanation:
2^2+4(2)=12
4+8=12
So, x=2
Hope this helps.
-Amelia
If the volume of the popcorn box is 74 cubic inches. Then the length of the popcorn box in inches will be 0.3 inches.
<h3>What is a rectangular prism?</h3>
A rectangular prism is a closed solid that has two parallel rectangular bases connected by a rectangle surface.
Gabriel models the volume of a popcorn box as a right rectangular prism and the box can hold 74 cubic inches of popcorn when it is full.
Its width is 3 and 1/2 in and its height is 77 in.
Then the width of the prism will be

Then the length of the popcorn box in inches will be

More about the rectangular prism link is given below.
brainly.com/question/12649592
#SPJ1
Answer:
The anser is 5 hop this helps sorry if it is wrong
Step-by-step explanation:
Either you can use distributive property or you can add up the numbers in the brackets.
Hopefully that helped! :)