Answer:
-22
Step-by-step explanation:
1) Substitute x and y into the equation:
-3(4) + 2(-5)
2) Simplify:
-12 + (-10)
= -22
Answer: 
Step-by-step explanation:
Given : Sample size : n=69
Sample mean : 
Standard deviation : 
Significance level : 
Then , Critical value : 
The formula to confidence interval is given by : -

Hence, the 95% confidence interval for the number of chocolate chips per cookie for big chip cookies= 
Answer: aw dont be sad
Step-by-step explanation:
stay happy
Answer:
D
Step-by-step explanation:
This is by definition of civil law
The train is going 90 mph.
This one is easy to explain, if you have 90 miles travelled in one hour of time, then you have 90 mi/1 hour, or 90 mph.