It’s an isosceles triangle because there are only two equal sides, it wouldn’t be a scalene triangle because a scalene triangle doesn’t have any equal sides.
Not Acute because its 104 degrees and an acute angle is less then 90 degrees, not a right triangle because its not exactly 90 degrees. Its not Equilateral because its not even close to the shape.
Since the total amount of water that was decreased is equal to 12.8, we would divide it by 4 to see how much it decreased in 1 week assuming it was constant. So, 12.8 divided by 4 is 3.2.