The hypotenuse of an isosceles right triangle is $14\sqrt 2$. what is the area of the triangle?

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

Which term best describes the association between variables a and b

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?