Help please this is for my exams

Cannot be, Can be, can be, cannot be -In that order

Step-by-step explanation:

the sides 1, 13, and 8, and 6.4, 24.6, and 17.4 do not make a triangle

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.

i believe that the answer is

b. y-1=-2(x-4)

hope this !