In the first picture, the girl is listening to music and from her face, we can understand that she is enjoying it.
Then, in the second picture, the boy is drawing a picture with colored pencils.
In the third, the group of kids is doing a piece of art. The boy with brown hair is drawing a picture, while a girl with black hair is doing pottery. (По картинке я не понял что делают другие)
In the last picture, the kids are playing in the band. We can see that the first boy in a yellow T-shirt is singing a song while his friends are playing on different instruments.
12 см, 18 см, 24 см.
Объяснение:
Найдем коэффициент пропорциональности х из уравнения
2х+3х+4х=54
9х=54
х=6
а=6*2=12 см
в=6*3=18 см
с=6*4=24 см