That a company pays its employees a fixed base salary and commission based on sales of the scatterplot shows a total earnings of an employee of the company why based on sales X which function function best represents the data in the scatterplot

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?

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers