I suck at proofs :(((

Two lines parallel to the same plane are parallel to eachother

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.