What is the constant of proportionality? (a.) 35.6(b.) 17.8(c.) 9.8 (d.) 8.9

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?

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

If a is a nonzero real number then the reciprocal of a is