HELP PLEASE WILL GIVE BRAINLIEST:) If an if-then statement and its converse are identical, which shows the form of the statement?

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?

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Write the fraction or mixed number and the decimal shown by the model