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.
1) Aiden collected 12 bags
2) Ryan collected 1/4 as many clothes as Aiden did => (1/4) * 12
Answer: option d. 1/4 * 12
Answer:

Step-by-step explanation:
figure out 4a(x) and 2b(x) separately by distributing, and then add them together to get your answer.
hope this helps :)
Tan is opposite divided by adjacent and then square root the division answer