In a sailboat race series, a boat’s score indicates the number of points it is behind the winning boat. Your boat has score -18 and your friend's boat has score -23 a. Find the absolute value score of each boat.
b. Whose boat is farther behind the winning boat?

the answer to the question is a  

it has the same slope and the same y-intercept.

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.

9x