Answer:
-6+x
Step-by-step explanation:
Let the number=n
x-n=6
-n=6-x
n=-6+x
Answer:
B and C
Step-by-step explanation:
- The answer in the attached file
16*8=128
12*12=144
128
+ 144
$272
Lee sold 16 hats
First, note that
Then use the formula for the sum of perfect cubes:

Therefore,

The quadratic trinomial
couldn't be factored anymore, so the expression
has two factors
and
Answer: correct choice is A.