good evening! Can someone please answer this, ill give you brainliest and your earning 50 points. Would be very appreciated.

Step-by-step explanation:

The first box goes with the graph on the very right top.

The second box goes to the bottom box in the middle.

The third one is the very left top graph.

The fourth one is the middle top row one.

1=3

2=4

3=1

4=2

Step-by-step explanation:

option 1 is the 3rd graph

option 2 is the last graph

option 3 is the 1st graph

option 4 is the 2nd graph

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.

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)