A chess board is an 8 by 8 grid of squares. If you randomly choose 3 squares on the board, what is the probability that they lie on the same line, excluding diagonal lines? And if they lie on a diagonal line?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

In an improper fraction, is the numerator equal to, less than, or greater than the denominator