If you can walk one mile in 15 min at what rate do you walk per hour(there are 60 min in a hour)

What two consecutive odd integers have a sum of -28

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?

Simplify the expression 10/11(22z) + (a+5) -1