Answer:
3
Step-by-step explanation:
(32-20)÷4
solve perentisis first
(12)÷4
now divide
=3
So since you know that x^2-1 is equal to (x-1)(x+1),
you can figure that this factors to
(y^2-x^3)(y^2+x^3)
because you know how the difference of two squares formula, stated on the top line of this answer.
Answer:
even I think
Step-by-step explanation:
First we divide 102 by 12.75 to get the hours which is 8 hours. So it would take 8 hours
Its 25 for the second one
