The scale factor is 4 since 8 divided by 2 is 4
Put the given values in the formula

and evaluate.
z = (150 -160)/16 = -10/16
z = -5/8
The z-score for the score x=150 is -5/8 = -0.625.
Sorrysorrysorrysorrysorry
Answer:
342x²-27x
Step-by-step explanation:
-3x^2(6x^2+2x-3)
9x(36x+2x-3)
324x²+18x²-27x
342x²-27x
60w^5y^3= 2 x 3 x 10 x w x w^4 x y x y ^2
78wy^2= 2 x 3 x 13 x w x y^2
GCF= 2 x 3 x w x y^2 is 6wy^2
The answer is B. Hope this helps.