The answer is D hope it helps
So if the regular price of an item is 25 and the store is marking it up by 40%, then we have to multiply 25 by .4 to find out what 40% of 25 dollars is. 40% of 25 is 10 dollars. So now you just do 25 + 10 and you get 35. Answer: $35
The perimeter of the triangle is 13.56 units.
The perimeter of a shape on a coordinate plane is found by finding the distance between all points, and then adding them together. It's easier to write it out than to type so I'll attach a photo of my work.
Just multiply the income by .15
1201.87 * .15 = 180.28
He paid $180.28
It could be a trick question though because he didnt have a lot of income so maybe he didn't pay any taxes.. I've heard that's a thing