12.4.27 Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 577 and a standard deviation of 140. Uso the 68-95-99.7 Rule to find the percentage of people taking the test who score above 857
The percentage of people taking the test who score above 857 is %.

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.

Which graph represents the linear function below? y-3=1/2(x+2)

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?