2+3=8,
3+7=27,
4+5=32,
5+8=60,
6+7=72,
7+8=? ?

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?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

The table shows the results of three plays in a football game. what is the net result of the three plays? football game 1st play 5 yards 2nd play -9 yards 3rd play 12 yards