Answer:
x=2?
Step-by-step explanation:
I'd go with a bar graph, it just seems the most logical way to organize test scores
It’s going to be 4y(3x^2-8x+2) because 4 is the biggest factor that can go into 32,12, and 8.
She spent 1/2 more the time on her math project then on her reading homework.
Answer:
The estimated impact of the experiment of offering test preparation classes is:
= 8 scores (in performance improvement).
Step-by-step explanation:
Average standardized-test score for the first 10 high schools = 69
Average standardized-test score for the second 10 high schools = 70
After 6 months:
Average standardized-test score for the first 10 high schools offered test preparation classes = 78
The change in the average standardized-test score for the first 10 high schools = 9 (78 - 69)
Average standardized-test score for the second 10 high schools not offered test preparation classes = 71
The change in the average standardized-test score for the second 10 high schools not offered the prep = 1 (71 - 70)
The estimated impact of the experiment of offering test preparation classes is:
= 9 - 1
= 8.