I just published the playlist of my video explanations to all of the math questions in the 2023 April ACT (Form Z18) Test.

 
Here is a link to the playlist of video explanations to all of the math questions in the 2023 April ACT (Form F11) Test.

 
Here is a link to the playlist of video explanations to all of the math questions in the 2022 December ACT (Form F07) Test.

 
Here is a link to the playlist of video explanations to all of the math questions in the 2022 June ACT (Form E26) Test.

 
Here is a link to the playlist of video explanations to all of the math questions in the 2021 December ACT (Form E23) Test.