The population of Jones County can be modeled by y = 519t + 53700, where
t is the number of years after 1970.
Use the model to estimate the population of Jones County in the year 2020.

Item 1 use the polygon tool to draw a rectangle with a length of 4 units and a height of 2 units. one of the sides of the rectangle falls on line ef , and the rectangle has a vertex of e. each segment on the grid represents 1 unit.