Suppose the correlation coefficient between the number of college students in a city and the number of city buses is 0.89. which statement must be true

What is the greatest common factor of 6a, 8a^{2}, and 14?

Pick the description of a geometric object that best matches the real world object box for a deck of card

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?