Which is equvalent to 4b
A. 3b + b
B. 2b + 2b
C. b + 2 ( b + 2b)
D. 2( b + b)

Write the sentence as an equation. b increased by 281 is d

Is it greater than or less than7*3_9*2

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?