What is the difference between a histogram and a cumulative histogram?

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.

Which expression will have the same sum as 3_8 + 1/4?

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be