Question 7 of 10
2 points
if ik izm, which of the following statements are true?
check all that apply.
o a. tk and i do not lie in the same plane.
s
b. tk and i
are perpendicular.
c. tk and i
are skew.
od k and im lie in the same plane.
o
e. k and i
do not intersect.
f. tk and i
are parallel.

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out