Answer:
....
Step-by-step explanation:
Answer:
A) 100 x (4/5)
Step-by-step explanation:
Spent a total of 100 dollars, all being the same price
Each is 20 dollars.
For 4 pairs it would be 80.
100 x (4/5) = 80
Answer:
x = 3 x = 7 Okay well I got C. f(x) = x2 - 10x + 21 I got it because u subtract and add at the last part.
Step-by-step explanation:
Factoring:
Theory : A difference of two perfect cubes,
can be factored into

Proof : 




Check : 8 is the cube of 2
Check : 27 is the cube of 3
Check :
is the cube of
Check :
is the cube of 
Factorization is :
