Answer is: 111.847
Method:
1 m/s = 2.23693629 mi/hr
Therefore ->
50 (m/s) * 2.23693629 (mi/hr) = 111.847 mi/hr
(Thanks to google)
Step-by-step explanation:
Answer: D .) 17% decrease
Step-by-step explanation:
I don't know how to anwser this but i had the same question and when I anwsered d i got it correct.
Answer:

Step-by-step explanation:

Answer:
At a price of $p, a quantity, q, of the item is sold.
If q = f(p)
(a) f(150) = 2000 means at price = 150$, the number of items sold is 2000
(b) f'(150) = -25 means rate of sale is negative or the number of items sold will be decreases in future