What two numbers when multiplied together give me -66 and when added together give me 19?

In the diagram of circle a what is m

Two students were asked if they liked to read. is this a good example of a statistical question? why or why not? a yes, this is a good statistical question because a variety of answers are given. b yes, this is a good statistical question because there are not a variety of answers that could be given. c no, this is not a good statistical question because there are not a variety of answers that could be given. no, this is not a good statistical question because there are a variety of answers that could be given

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25