Nathan is out rafting. he rafts 16 miles with the river current. at the end of 16 miles, he turns around and rafts the same distance against the river current. the journey takes him about 4 hours overall. if he can raft at a speed of 9 mph in still water, what is the speed of the current of the river he is in?

Adaylily farm sells a portion of their daylilies and allows a portion to grow and divide. the recursive formula an=1.5(an-1)-100 represents the number of daylilies, a, after n years. after the fifth year, the farmers estimate they have 2225 daylilies. how many daylilies were on the farm after the first year?

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)

Will give a: 122 b: 90 c: 48 d: 180