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C. 33π in^2

Here is why:

The formula for the surface area of a cone is:

We can plug in the numbers from the picture, but we will keep π and not put it as 3.14, since the answer choices are in π.

SA = 33π

Answer is:

33π in^2

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.

is there a picture

step-by-step explanation: