Answer:


Step-by-step explanation:
Given: See Attachment
Required
Determine the length of the legs
To do this, we apply Pythagoras theorem.

In this case:

Open Bracket



Collect Like Terms


Solving using quadratic formula:

So:
or 
Since, x can't be negative, then:

One of the leg is:






Choice 2222222222222222222222222222222
Answer:
130.56
Step-by-step explanation:
Volume of the prism is 12×5×4.25=255 in³
Volume of the cubes are 1.25³=1.953125 in³
255/1.953125 = 130.56 in³
brainliest plz
Well, I can't figure out the answer at the moment, but I can give you a tip. Just substite each possible sign in the to see if one works... for example: +++, x+-, ++-....
Hope this helps you out :)
Answer:
9
Step-by-step explanation:
9 is the correct answer.