If `(2rs)^(-1)=3s^(-2)`, what is the value of `(r)/(s)`?

If (s-3)^(2)=0 , what is the value of (s+3)(s+5) ?

If (1)/(3)r+(1)/(4)s=(5)/(6) , what is the value of 4r+3s?

If the function r(s) is defined as 2s+3 for all values of s and r(4)=x, what is the value of r(x)?

If 3s+5t=10 , and 2s-t=7 , what is the value of (1)/(2^(s))+3t ?

If r=(6)/(3x+2) and tr=(2)/(3s+2) ,what is the value of t?

If (p ^(2) + q ^(2)) // (r ^(2) + s ^(2)) = (pq) //(rs), then what is the value of (p-q)/(p+q) in terms of r and s ?

(8r+7)/(4s)=11 If (1)/(2)r+1=s+1 , what is the value of r+s for the equation above?

A sequence contains the terms S_(1),S_(2),S_(3),...S_(n), where S_(2)=2&S_(n)=S_(n-1)+2S_(2) What is the value of S_(18)

3(r+2s)=r+s If (r, s) is a solution to the equation above and sne0 , what is the value of (r)/(s) ?