Answer:
The value of the test statistic is 
Step-by-step explanation:
The null hypothesis is:

The alternate hypotesis is:

Our test statistic is:

In which X is the sample mean,
is the null hypothesis value,
is the standard deviation and n is the size of the sample.
In this problem:

So



The value of the test statistic is 
Answer:
Can u add the pic and I’ll answer it
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:
there are 2 other forms, point-slope form and slope-intercept form.
Step-by-step explanation:
standard is 
point-slope is 
slope-intercept is 
Answer:all lines are straight
Step-by-step explanation: