(D) 4 shaded for every 2 unshaded! Hope this helps! :)
Four positions of such a sequence are given to be 3s, and we have 10 choices for the remaining eight positions. So the number of such sequences is

or 100 million.
Answer: -30
Step-by-step explanation:
(-6) x (7) - (6) x (-2)
(-42) - (-12)=
-30
Hope this helps :)
Answer:
Step-by-step explanation:
x^2-8x+x-8
x(x-8)+1(x-8)
(x+1)(x-8)
The negative number is x=-1
Answer:
x=-1
Step-by-step explanation: