You cut a 3-inch circle in the center of a 3 inch high cake. You serve the outer ring. The cake had a diameter of 12 inches. How much cake did you serve?​

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.

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.

students group

step-by-step explanation:

a person who   joins a party or a seminar can explain his feelings about that particular occasion better more than anyone else.

as bella managed a show for the students in the school and invited students to watch that show

hence

students group will be the best group to survey to find this information