The chemical diacetyl is a natural flavoring that gives the taste of butter . A human can distinguish the butter flavor with 5 ppb (parts per billion).
One gallon is approximately 75,000 drops of water. How many gallons of
water are equivalent to one billion drops?
13,000
15,000
17,000
19,000

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!

1 + (6 / x - 1)

step-by-step explanation:

divide using polynomial division.