What is 10 times the quoitent of 104 and 8

Ineed solving this problem h/8=-25 solve for h idk how to this can someone show me and also give an answer you

Suppose that x and y are both differentiable functions of t and are related by the given equation. use implicit differentiation with respect to t to determine startfraction dy over dt endfraction in terms of x, y, and startfraction dx over dt endfraction .

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=