What is the greatest common factor of 28y2 and 49y2??

The polynomial function of least degree with a leading coefficient of 1 is: f(x) = x3 + ax2 + bx + c

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.