What is 7/200 as a decimal

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

Which of the following shows the length of the third side, in inches, of the triangle below

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth