For what value is of x is c parallel to d

look at picture please

Drag the tiles to the correct boxes to complete the pairs. match the cart-coordinates with their corresponding pairs of y-coordinates of the unit circle

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Which number completes the inequality? 2/3 < _ < 7/9