Line ℓ contains the points A(2,2) and B(3,6). Line k contains the points C(0,5) and D(1,9).
Are lines ℓ and k parallel? Justify your response.

Yes, lines ℓ and k are parallel because the lines pass through the same points.
No, lines ℓ and k are not parallel because the lines do not pass through the same points.
Yes, lines ℓ and k are parallel because the slopes are equal.
No, lines ℓ and k are not parallel because the slopes are not equal.

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

How to simply and write the answer n a whole number

Kilgore trout creates a new scale to diagnose depression. however, his scale only assesses one symptom of depression while ignoring others. which of the following is his new scale most likely lacking? a) test-retest reliability b) discriminant validity c) criterion validity d) alternate-forms reliability e) content validity f) none of the above