Heather burned 210 Calories by walking for 45 minutes at the gym. After this, she burned 140 Calories by lifting weight for 30 minutes. Are these rates equivalent? Explain your reasoning.

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

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.

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?