The table shows the number of calories in four meals and the cost of each meal. which best describes the strength of the model? a weak positive correlation a strong positive correlation a weak negative correlation a strong negative correlation

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?

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2