Answer:
Step-by-step explanation:
(1). One solution
(2). Infinitely Many Solutions
(3). One solution
(4). No Solution
Answer: 
Step-by-step explanation:
Favtor the terms:
2uv+5u

8v+20

Add the factored terms and factor out the common term 2v+5:


Step-by-step explanation:
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Answer:
1.4b
Step-by-step explanation:
4b-2.6b
4.0-2.6=1.4
4b-2.6b=1.4b
After 2 years you have 45 fishes!
20x1.5 =30 after 1st year
30x1.5=45 after 2nd year