Wich is greater, 0.04 or 0.4

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?