The school is taking 80 students to the state fair for a field trip. there are students going from three different classes. mr. johnson’s class has 27 students and mrs. martinez’s class is taking 31

students.

which equation would represent how many students are selected from mr. garcia’s class?

a.

27+31=80+x

b.

80=27+31+x

c.

80+27=31−x

d.

x=80+(31−27)

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

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.