Answer:
y=3x-2
Step-by-step explanation:
you find the 3 (the slope) by seeing how much the y value grows
the -2 is the value of the y-intercept (more clear on a graph) but it's when the point is (0,__) so you subtract 3 from 1.
The real answer is going to be 23.5
Answer:
The number is
students
Step-by-step explanation:
From the question we are told that
The population mean is
The standard deviation is 
The sample size is n = 2000
percentage of the would you expect to have a score between 250 and 305 is mathematically represented as

Generally

So


From the z table the value of 
and 


The percentage is 
The number of students that will get this score is


Answer:
Step-by-step explanation:
D
Answer:
21
Step-by-step explanation:
y = 3x + 9
y = -3x + 12
y=21