If x varies directly as y, and x=12, when y=4, find x when y=8

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?

41/17 as a decimal rounded to the nearest hundredth