Can you please help me with the following three problems. Thanks so much! :)

MAA MATHEMATICAL ASSOCIATION OF AMERICA ork / 22fama201-03-04 / week_10_due_wednesday / 5 Previous Problem Problem List Next Problem Week 10 Due Wednesday: Problem 5 (1 point) da Gravel is being dumped from a conveyor belt at a rate of 40 fts/ min. It forms a pile in the shape of a right circular cone whose base diameter and height are always the same. How fast is the height of the pile increasing when the pile is 20 ft high? The height is increasing at ft/min. s 11 Preview My Answers Submit Answers n 2 You have attempted this problem 0 times. You have unlimited attempts remaining. m 3 m 4 en15 em 6 em 7 Oct 24 5:1422fama201-03-04 / week_10_due_wednesday / 6 Previous Problem Problem List Next Problem Week 10 Due Wednesday: Problem 6 (1 point) Match the functions with their graphs. Enter the letter of the graph below which corresponds to the function. ( Click on image for a larger view ) 1. f(x) = 53 +3 2. f(x) = 5-2 3. f (a) = 5%-3 4. f(x) = 5" 5. f(x) = -52 A B C D E Note: You can earn partial credit on this problem. Preview My Answers Submit Answers Oct 24 5:14 6 9 9MATHEMATIC 22fama201-03-04 / week_10_due_wednesday / 7 Previous Problem Problem List Next Problem Week 10 Due Wednesday: Problem 7 (1 point) If In (a) = 2, In(b) = 3, and In(c) = 5, evaluate the following: a (a) In b-1c-2 (b) In v bic-2a-1 = In (a 36 2) (C) In ((bc) -3) (d) (In c 3) ( In 7-3 ) = Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. Oct 24 5:14