Identify the kind of sample that is describedThe superintendent of a large school district wants to test the effectiveness of a new program designed to improve reading skills among elementary school children. There are elementary schools in the district. The superintendent chooses a simple random sample of five schools, and institutes the new reading program in those schools. A total of children attend these five schools.

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.

h/o/e/s mad

step-by-step explanation:

si si si

answer: they are supplementary angles

step-by-step explanation: 161+19=180. supplementary angles equal 180 degrees