I need help and i dont know what is is

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year the population of her town is changing by a constant rate

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

The figure below shows rectangle abcd and the triangle eca on a coordinate plane. which of the following expressions represents the perimeter of triangle of triangle eca in units