a line segment has endpoints at (-7,5) and (8,0). what point
partitions the segment internally in a ratio of 1: 4?
select one:
- (0.5, 2.5)
/3, 20/3)
-(1,5
,4)

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?

How is the interquartile range calculated?

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is