Brody deposited $500 into an account that earns 4.2% interest compounded annually. he makes no additional deposits and no withdrawals. approximately how much interest will the account have earned after 7 years? a $167 b $420 c $542 d $665 i think the answer is d. but can someone tell me how to check my answer with work. i don't want to use a calculator.

Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?

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?

With both problems. a. s.a. p directions on photo ^