Given a normal distribution with a mean of 128 and a standard deviation of 15, what percentage of values is within the interval 83 to 173?

a. 32%
b. 50%
c. 68%
d. 95%
e. 99.7%

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?