On Tuesday,620 students attended a middle school. A survey showed that 341 students brought lunch to school the day . What percent of the students brought their lunches.

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

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?