1) On Tuesday morning, the temperature is -5 degrees Fahrenheit. The temperature rises of a degree each
hour for 6 hours before dropping 1/4 of a degree each
hour for 3 hours. What is the temperature, in degrees
Fahrenheit, after 9 hours?

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.

answer:

125 yards

explanation:

75+50=125. that is my answer