Can someone answer this thanks

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

Find the values of the variables in the kite

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?