Answer:
456
Step-by-step explanation:
Let X be the SATscore scored by the students
Given that X is normal (1000,200)
By converting into standard normal variate we can say that
is N(0,1)
To find the top 10% we consider the 90th percentile for z score
Z 90th percentile = 1.28

i.e. only students who scored 456 or above only should be considered.
Answer:
A=(21/5,-22/5) B=(5,-6)
Step-by-step explanation:
Answer:
bruh idk either my brains to fried like chicken
Step-by-step explanation:
brainliest plz i only need one more plz
Answer:
3
Step-by-step explanation:
5 is greater than 2 and two is negative so the answer is positive