Please help with 12 and part 2 with good explanations.

A. 19.16 B. 10.84 C. 18.4 D. 19.45 E. 1,000,000 12. The mean on the ACT was G with a SD of 5.2. Dilbert took the exam and scored a 23 with a Z score is -.4. What is the mean score (G)? A. 23.11 B. 25.08 C. 26.01 D. 27.33 E. 28.2 Part II-FRQ-1 Q-12 points Data are collected on the mean GPA for FRHS and the mean is 2.82 grade points with a standard deviation of 0.41 grade points. The data is approximately Normal and the Empirical Rule can be applied. A. According to the Empirical Rule, we know that the range from to will contain approximately 68% of grade point averages for students in our sample. Please answer the question and illustrate with a graph of the Normal curve. B. Student B has a grade point average that is two standard deviations above the mean? What is the grade point average for Student B? Is this a good grade point average relative to the other students at FRHS? Support your answer. C. A new grading program at FRHS incorrectly multiplied all of the student grade point averages by 1.8 and also subtracted .2 grade points. It generated a new grade point average for each student according to the formula New = 1.8*Old - 0.2. What is the mean for the new grade point average? What is the standard deviation for the new grade point average? Justify your answers