This week Alison bought 108 bunches of carnations and 96 bunches of roses
from the supplier. Let c represent the number of carnations in each
and let rrepresent the number of roses in each bunch. Write an expression
to show the total number of carnations and roses that Alison bought.

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?