A meteorologist used the expression below to describe how the temperature changed. Negative 5 + (negative 4) Which statement could describe how the temperature changed? The temperature was –5 degrees, then it increased 4 degrees. The temperature was –5 degrees, then it decreased 4 degrees. The temperature was 5 degrees, then it increased 4 degrees. The temperature was 5 degrees, then it decreased 4 degrees.

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step-by-step explanation:

just copy and paste it.

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sine

step-by-step explanation:

d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation:

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.