1) Mr. Johnson said, "Five less than one fourth of my age is twelve." How old is Mr. Johnson?

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.