The sum of the given expression is 6b^2+8b-15
<h3>Sum of expression</h3>
Given the following expression
(6b^2+5)+(8b-20)
We are to take the sum. On expansion;
6b^2+5 + 8b-20
Collect the like terms
6b^2+8b +5 - 20
6b^2+8b-15
Hence the sum of the given expression is 6b^2+8b-15
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Ratio would look like 20:36... Did you mean to put the numbers twice?
3 is the answe! Hope it helped
Answer:
B
Step-by-step explanation:
Obviously the population is increasing.
(3297.44-2568.05)/2568.05 = .284... = 28.4% increase
(4234-3297.44)/3297.44 = .284 ... = 28.4% increase
B is the answer
