There is a string of red and blue lights strung around a window . The red lights blink every 3 seconds , and the blue lights blink every 5 seconds , how many times will they blink at the same time in one minutes ?

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

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.

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?