Answer:
-4-8
Step-by-step explanation:
The first arrow starts at 0.
That is the start, so the arrow actually points to -4.
Then, the second arrow points 8 further left, so the answer will be:
PS: I do Khan academy too :)
g
b
Answer: -4n3+12n2+7n-9
Step-by-step explanation: it basically the opposite sign (positive or negative) switched, and the order backwards. hope that helped
a and c
