Ticket prices for a science museum are $18 for adults and $12 for students. if $162 is collected form a group of 12 people, how many adults and students are in the group

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?

Find the value of x. give reasons to justify your solutions! l, m ∈ kn

8.74 rounded to the nearest whole number