How much simple interest is earned on a principal of $700 after 5 years if the account pays 3% annually? No links please!

Can you simplify 4/7? 24 points will be awarded!

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?

Give all possible names for the line shown.calculation tip: lines can be written with either point first.