Iven the sets m = {3, 4, 5, 6, 7} and n = {4, 6, 8, 10, 12}, the set m∩n is identified by which notation below? {2, 3, 4, 5, 6, 8, 10, 12} {2, 4, 4, 5, 6, 6, 7, 8, 10} ø {4, 6}

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?

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Can someone me out here number 4 plz