Apopulation of dolphins has 400 individuals. after 20 years, this population has had 250 births and 170 deaths, so the population has grown to 480 individuals. what is the approximate yearly growth rate, r, of this population?

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.

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept