Three friends combine their money to buy the tickets for a hockey game. If they share the change evenly, how much will each friend receive? Write equations to represent the problem, then solve

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

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?

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom