Answer:

Step-by-step explanation:
The ratio of the side lengths (AB) and (BC) is given. One is also given an expression for the side lengths of each of these sides. Set up a proportion to describe this scenario, then solve using cross products;

Substitute,

Cross products,


Inverse operations,

Answer:
8a + 9b and 16a - 10b
Step-by-step explanation:
Basically anything greater than zero...k>0
Answer: 3(x+2)
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