How do you set up the combined probability of selecting a yellow hair clip, putting it back and then selecting a blue hair clip

What is 32+4 x (16 x 1/2) -2 show your work}

Benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days