Which expression is equivalent to 7(k^2) where k is an even number?

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?

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?

What is the value of x? enter your answer in the box. x =