How many hours did it take for the lizard to get out the hole

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

The distribution of a sample of the outside diameters of pvc pipes approximates a symmetrical, bell-shaped distribution. the arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. about 68% of the outside diameters lie between what two amounts?

What is the difference between –12 and –5? what is the distance between –12 and –7 on a number line? units