go to WWW. HelpTeacher.com. Type in the type of math you are doing, and it should pull up some examples to help you with that. Hopefully it will.
Answer:
all work is shown and pictured
Answer:
7x2−2x−12
Step-by-step explanation:
Answer:
Variance is the squared deviation and deviation is the difference of observed value from other values
Step-by-step explanation:
Variance is the squared deviation and deviation is the difference of observed value from other values


Where, 
The answer is 29.00 hope this helps