63/4 exact with an exact answer?

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

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.