If s varies directly as (r+1),and s=8 when r=3, calculate the value of r when s=20

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.

How do you do the foil method with polynomials?

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?