Seven students chose integers: -16, 12, -13, -6, 5, 6 and 1 order the numbers from least to greatest. when all numbers are ordered from least to greatest, which one is in the middle ? which one is the least, which one is the greatest ?

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?

Which one is true about the hexagons ?

What is the value of f(x) = 2.2 for f(-2)?