15 is 30% of what number

Gabriel paints flower pots to sell at a craft fair. she paints 2/5 of a flower pot teal, 1/4 of it yellow, and the rest of it white. what fraction of the pot is painted either teal or yellow?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

Find the slope of the line that passes through the points (0, 0) and (-2, -3). 2/3 3/2 -3/2