Is this right yes or no?

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

What is the value of x enter your answer in the box (3x+50

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.