Can you please help me with these three problems? Thanks so much! :)

WORK MAA Logged in as cgro10 MATHEMATICAL ASSOCIATION OF AMERICA work / 22fama201-03-04 / week_7_due_friday / 4 IU Previous Problem Problem List Next Problem k Sets 7 Due Week 7 Due Friday: Problem 4 bblem (1 point) ettings Chloe and Bao are in motorboats at the center of a lake. At time t = 0, Chloe begins traveling south at a roblems speed of 50 km/h. One minute later, Bao takes off, heading east at a speed of 40 km/h. At what rate is the distance between them increasing at t = 10 min? (Use decimal notation. Give your answer to three decimal places.) oblem 1 v oblem 2 ds 50 km/min. roblem 3 dt Problem 4 Preview My Answers Submit Answers You have attempted this problem 3 times. Your overall recorded score is 0%. You have unlimited attempts remaining http:://webwork.bucknell.edw/webwork2/22FAMA201-03-04/Week_7_Due_Friday/2/?effectiveUser=cgr010 9pm EDT Music Readings and Assignments We have updated our Privacy Show all X updated Privacy Policy.MAA Logged in as c MATHEMATICAL ASSOCIATION OF AMERICA 2fama201-03-04 / week_7_due_friday / 3 Previous Problem Problem List Next Problem Week 7 Due Friday: Problem 3 (1 point) Compute the derivative of the function y = (82 ) In (8) (Use symbolic notation and fractions where needed.) dy 8x(In(8x))(In(8x)/(x+In(x)/x)) Preview My Answers Submit Answers You have attempted this problem 5 times Your overall recorded score is 0% You have unlimited attempts remainingLogged in as cgro1 RK MAA MATHEMATICAL ASSOCIATION OF AMERICA 22fama201-03-04 / week_7_due_wednesday / 3 Previous Problem Problem List Next Problem Week 7 Due Wednesday: Problem 3 (1 point) A man of height 1.3 meters walk away from a 5-meter lamppost at a speed of 1 m/s. Find the rate at which his shadow is increasing in length. Rate = 0.389 m/sec (Give your answer upto 3 decimal places.)