Answer:
(1/2)sin(2x) + C
Step-by-step explanation:

Answer:
A. The distribution should be skewed to the left because the mean is less than the median.
B. Most students scored a C or higher.
Step-by-step explanation:
A. Since mean<median<mode, we have a negative skewness and hence the distribution is skewed to the left.
B. Since the mean score is 71 and the modal score is 81, it is expected that a 'C' should be the lowest grade most students will have.
Answer:
right by 3 I think
Step-by-step explanation:
1. Given
2. Definition of midpoint
3. Definition of midpoint
4. Definition of vertical angles
5. Vertical angles are congruent
6. SAS
7. CPCTC
Answer:
Step-by-step explanation:
a - 2.5 = 4.5
2.5 = 2.5
a = 7.0 or 7
7.0 - 2.5 = 4.5
4.5 = 4.5