1. Roger is a wildlife researcher who has been hired to study and track the population of bears in a national park. In Year 1 of the study, Roger determines that the park is home to x bears. In Year 2, the population has increased to x + 10 bears, and in Year 3, the population has increased to 2(x + 10) bears.

a. Use the Distributive Property to rewrite the bear population in Year 3 without needing to use parentheses.