Which ordered pair is a solution of the system? x + 4y = 19 2x + y = - 2 a) no solution b) (-13, 2) c) (0, - 11) d) (3, - 8)

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?

Can someone me and explain..will award brainlest!

597008.439431 to the nearest thousand