Find the missing fraction on each number line​

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 .

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Which of the symbols correctly relates the two numbers below check all that apply 6? 6