Express the product ( 7 + 3 ) ( 7 − 3 ) ( 7 + 3 )( 7 − 3 ) in simplest form.

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?

The radius of the circle below intersects the unit circle at (3/5,4/5). what is the approximate value of theta? 0.6 radians 1.0 radians 36.9 degrees 53.1 degrees

Collin did the work to see if 10 is a solution to the equation r/4=2.4