-33 2/3
dsanndsvnnvlkjsdkvnsdkjlfnjndsfjkjdslfjsdkfkjlhldskjfbsdlkjfkjbvbjkdbfjbnjdsbfjbfd
I had to add more
Answer:

Step-by-step explanation:
Given



Required
Determine the length of LS
Since H is between L and S, then

Substitute 14x - 21 for LS, 15 for LH and 8x for HS

Collect Like Terms


Divide both sides by 6

Substitute 6 for x in 



<em>Hence, the length of LS is 63 units</em>
Step 1
find the volume of sand
volume of sand=8*20*3------------>Volume of sand=480 in³
Volume of sand in the new terrarium=10*24*h
where
h------------> is the <span>deep in the new terrarium
</span>remember that
the volume of sand is the same
so
10*24*h=480----------> h=480/(10*24)-----------> h=2 in
the answer is 2 in
Greater because the product of the fraction is greater than 1
Answer:
Well, it's the perimeter, so...40.
You just calculate the perimeter of a rectangle with the lenght of 12 and width of 8, by the formula

or you can factor it out.