En un grupo de 36 alumnos 1_3 del total son menores de 10 años ¿ cuantos tienen 10 o más años​

Which of the following will form the composite function?

Aiko jumped rope for 20 min and stopped at 8: 05 when did she start

Arectangular lawn is 14m long and 10m wide. a strip of uniform width is mowed around the outside of the lawn. how wide is the strip when the area of the unmowed portion of the lawn is 12m². (the answer is 4m, but i need to know how to solve it)