Answer:
9600 square cm
Answer choice 3
Step-by-step explanation:
We need to find the surface area of the cube.
We need to find 6(40×40)
=6(1600)
=9600
9600 square cm
<h2><u><em>
PLEASE MARK BRAINLIEST</em></u></h2>
If a student tells me that an argument that has a false hypothesis cannot be valid, I would reply that we need to look carefully at the meaning of validity in the context of logic. In everyday speech, we tend to use “valid” to mean the same thing as “true” or “accurate.” In logic, this is not the way the term is used.
Answer:

Step-by-step explanation:
Fill in the given expressions and simplify.

Going the other way, we have ...

Answer:(c). No. Both variables must be quantativite
Step-by-step explanation:
Both variables must be quantitative because we can calculate Pearson correlation if they are both quantitative