Answer:
85 California spout alone 1
Answer:
missing side length = 9
Step-by-step explanation:

a = 6
b = 7
c = missing side





Answer:

Step-by-step explanation:

Geometric formula sequence: 
(where
is the first term of the sequence and
is the common ratio)
To find the common ratio, divide one of the terms by the previous term:

From inspection, 
Therefore, 
21 = 4.8
8 x 2.1 = 16.8 - 12 = 4.8