URGENT In the diagram below, ABCD is a rectangle. Point E is outside the rectangle so that △AED is an isosceles right-angled triangle with hypotenuse AD. Point F is the midpoint of AD, and EF is perpendicular to AD
If BC = 4 and AB = 3, determine the area of △EBD

I'm so close to finishing all these.

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil