Suppose that l lines are drawn through a circle and these lines form p points of intersection (involving exactly two lines at each intersection). how many regions r are formed inside the circle by these lines? assume that the lines end at the edge of the circle at 2l distinct points.

Me. i can't figure out this question. give an explanation too. .

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?