You please answer all, numbers 5 through 8​

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?

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

What could explain what happened when the time was equal to 120 minutes