Pls help. .

11,

Step-by-step explanation:

the two lines makes it positive, and so 5+6= 11

11

Step-by-step explanation:

When they are in the | | that means that they can only be a real number which in this case means positive for the negative 5.  So it will become 5 + 6 which is 11.  

step-by-step explanation:

mean or average is 40.6

the terms of a geometric sequence can be found by beginning with the first term and multiplying by the common ratio repeatedly. a recursive formula for a geometric sequence with common ratio r is given by an=ran−1 a n = r a n − 1 for n≥2 n ≥ 2 .

step-by-step explanation: