What is the area of a circle diameter 10cm? use 3.14 to represent pi. show your work

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

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?

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.