Answer:
D-70
Step-by-step explanation:
It is a combination C(8,4)
Answer:
x^3 +x^2 +x+1
Step-by-step explanation:
Your welcome!!!!!!!!!!!
Step-by-step explanation: (-2,-4)
Answer:
nope
Step-by-step explanation:
Water is tasteless and odorless
Step-by-step explanation:
4x2 - 25b2
We can solve it by the squares so
(2x - 5b) (2x + 5b)
2) x2 - 81
The same case is here so
(x - 9) (x + 9)