Two hs math questions with good points attached. show / explain steps

solve for c: v= c( 1 - (t/n) ) must be a proper fraction

solve for t: v= c( 1 - (t/n) ) must be a proper fraction

in advance : )

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 are the sotions to the quadratic equation 9x^2=4

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?