Just add the two bases plus the lateral area. so it would be 706.5+706.5+471.
Let

Step 
Find 

Divide by
numerator and denominator


Step 
Find 

Divide by
numerator and denominator


Step 
Find 


Divide by
numerator and denominator


In this problem
The geometric sequence formula is equal to

For 
therefore
the answer is
the common ratio for the geometric sequence above is 
Answer:
The quiz grades for class 1 have more variability than the quiz grades for class 2.
Step-by-step explanation:
Its DBC, cause two is in that point so you just find the answer choice with those three letters in the right order.