The score of 96 is 2 standard deviations above the mean score. Using the empirical rule for a normal distribution, the probability of a score above 96 is 0.0235.
Therefore the number of students scoring above 96 is given by:
Since the deepest point of Death Valley is below sea level, its altitude is negative. So, the difference between the altitudes is

Subtracting a negative means to add, so we have

Replace x=3 so 3 squared is 9 and when u add 2 it equals 11
Answer:
4*40 = 160 + (3*60) = 340
Step-by-step explanation: