How many triangles can be drawn with side lengths of 3 units, 4 units, and 5 units? explain.

Can someone me with this problem . show your work .

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance