Answer:
4
Step-by-step explanation:
WKKSKSK
BEACUSE
2+2=4
bOom
#6
D. 3.0 x 10^8
#7
A. y = 3.5x + 7
#8
B. 5
I think the answer is -20
Answer:
A. 
Step-by-step explanation:
Each mark represent 0.1 unit, so if you count from 0 to 
you get 0.5 that is exactly the same that (for convention the left of the 0 is taken as negative and the right as positive).
The first one because when you simplify it equals to 3<span>√2x2x2x2x2x2xk12, so then you can take out two 2s and 4ks.
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