In an aquarium we have 3 red fishes 2 black and one silver. we choose simultaneously 3 fishes. how many possibilities are there? i got 20 but could only count 6 possibilities

6 possibilities for every time you draw fish out and put them back in.

. + λrh() e 1 1 2 4 4 4 4 4 3 4 4 4 4 4 + th−1(− s(x)2 dx ω + λrh−1() e 2 1 2 4 4

step-by-step explanation:

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm