Answer:
(a) -3.708
(b) 1.706
(c) 0.490
Step-by-step explanation:
The z-score of normal distribution is given as:

(a)
Given:
Score is, 
Mean value is, 
Standard deviation is, 
z-score is, 
(b)
Given:
Score is, 
Mean value is, 
Standard deviation is, 
z-score is, 
(c)
Given:
Score is, 
Mean value is, 
Standard deviation is, 
z-score is, 
To convert a decimal to percentage, we multiply the number by 100.
0.375 = 0.375 x 100% = 37.5%
Answer: 37.5%
The Greatest Common Factor is 12x^2
Given:
The two points are (-3,-4) and (4,5).
To find:
The slope of the line that passes through the given points.
Solution:
The slope formula is

The line passes through the points (-3,-4) and (4,5). So, the slope of the line is



Therefore, the slope of the given line is
.