The electricity goes out in a house. The temperature in the house changes by
-8°F in 4 hours. On average, by how many degrees is the temperature
changing per hour?
O A. -2°F
OB. 8°F
O C. -4°F
O D. 12°F

nose

Step-by-step explanation:

nose

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.

47 - 90 = 43

43 - 180 = x

x = 137