Answer:
720
Step-by-step explanation:
volume =l×l×l
so 8×9×10=720
Notice that we have a difference of squares in the numerator of our expression. In the denominator we have a quadratic expression of the form
. So we can factor both numerator and denominator and cancel common terms:
We can conclude that the correct answer is the fourth one:
4 is 10 because as you can tell -20 + 10=-10 + 10 = 0 + 10= 10. So it would be letter c
A fourth of the original number