Which is better: having a stock that goes up 30% on monday than drops 30% on tuesday, or a stock drops 30% on monday and goes up 30% on tuesday? in each case, what is the net percent gain or loss?

The graph of f(x), shown below, has the same shape as the graph of g(x)=x^2,but is shifted up 2 unit.what is the new equation?

Suppose a batch of steel rods produced at a steel plant have a mean length of 150 millimeters, and a standard deviation of 12. if 100 rods are sampled at random from the batch, what is the probability that the mean length of the sample rods would differ from the population mean by less than 0.5 millimeters?

How many nickels does it take to make $4.85