Solve by graphing.
x + 3y = -9
5x + 3y = 3 ​

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?

Can someone pls ! pls answer all. no explanation needed..

Which of the following is true for the relation f(x)=2x^2+1