One year, the population of a city was 330,000. Several years later it was 270,600. Find the percent decrease.

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Atrucker had a load of grain containing 2 tons. she unloaded 1 ton and 1,200 pounds at the warehouse. how much grain does she still have left on the truck?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?