Ul. ju.23
the cost of a pencil at the school store is $0.52. which student provides the best estimate for the cost of 4 pencils?
cora
$0.52 is about $0.50.
4+ $0.50 - $4.50
isaiah
$0.52 is about $0.50
4x $0.50 = $2.00
rebecca
4 pencils is about 10 pencils.
10+ $0.52= $10.52
yolanda
4 pencils is about 10 pencils.
10x $0.52 - $5.20
cora
isaiah
rebecca
yolanda

6n^2-7n-75=0 solve by quadratic formula

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

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.