kyle was researching the stock market and found that in a 4 year time frame the annual percentage changes were -15.9%,22.3%,-5.6% and 25%. what is the average annual percentage change for the past 4 years?

answer:

your answer is: c. 196 7/8 in^3.

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.

i believe your answer is a