The height of a triangle is 12cm more than its base. The area of the triangle is 189 sq cm. Find the base and height of the triangle. Hint: How do you solve a quadratic equation?

Usan threw a softball 42 yards on her first try and 5112 yards on her second try. how much farther did she throw the softball on her second try than her first? express your answer in feet and inches. 9 ft 12 in. 28 ft 12 in. 28 ft 6 in.