Make an Inequality! Twice the difference of a number and 7 is less than -30. Use c as the variable.

What is the solution to the equation 9^(x+1) =27

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?

What’s the range cuz i can’t find it?