Find the power set of the each of the following
{0,[0]}
please help me​

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?