What is nine and two hundred thirty-five thousandths in decimals

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.

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'