Answer:
thanks for the pointssssssss
Answer:
$1.46
Step-by-step explanation:
Complete Question
The complete question is shown on the first uploaded image
Answer:
The score of the student is x = 779.42
Step-by-step explanation:
Generally we can mathematically represent the z-score as

Here x is the score of the student
substituting 1045.7 for the Mean, 221.9 for the stDev and -1.2 for z we have

=> 
=> x = -266.28 + 1045.7
=> x = 779.42
A^2 + 9a - 18 is the simplified version of that equation
The answer is called a <span>Wavelength Hope I helped!</span>