Answer:
Option D.
Jenn's answer is not correct. She got it substituting
into the equation and solving for "x".
Step-by-step explanation:
Given the following equation:

Since you need that
, you hace to substitute that value into the equation:

Now you need to solve for "c":

Therefore for a a value of
, you get 
Then, the you can identify that the correct answer is the one given in the Option D.
Jenn made a mistake, because she substituted
into the equation and then solve for "x":
I would try using a table. It might work better.

Volume = l×b×h = 48×40×30 = 57600 cm²
Answer:
pieces of the same shape and same size. also known to have the same area and perimeter.
Step-by-step explanation:
Turn them into decimals and place them