A circle w radius 3 is inscribed in a triangle whose side lengths are the ratio 3:4:5. Solve for the area of the triangle.

What is the ratio of the length of an object in yards to the length of the same object in miles?

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

Anyone know these questions? i need ,.