Please SHOW WORK, will mark brainlist if correct

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?