Answer:
Emily has a higher relative score since her z-score is higher. This would mean she scored further above the mean than Xiaoyu.
Step-by-step explanation:
Find the z-scores by subtracting the score they got by the mean and then dividing by the standard deivation of their respective exams.
Xiaoyu:
z =
= 1.5
Emily:
z =
= 2.2
______
Emily has a higher relative score since her z-score is higher. This would mean she scored further above the mean than Xiaoyu.
Answer:
(9a^2b^2(2ab - 3b + 4a).
Step-by-step explanation:
Take out the GCF.
The GCF is 9a^2b^2 so the factors are
(9a^2b^2(2ab - 3b + 4a).
It could be C or D but a salary is a fixed payment that is USUALLY on a yearly payment. I would answer D