What number is equivalent to 17 and 50 thousandths

What are the sotions to the quadratic equation 9x^2=4

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

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?