Verify the property x*(y+z)=x*y+x*z
a) x=-3/7 y=12/13 z=-5/6

Pls! does anybody know a shortcut for answering these types of questions in the future?

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?