Answer:
-9/7
Step-by-step explanation:

Well based on this information, I don't think that this is a valid inference. There isn't enough data to go off of in order to answer this question.
Answer:
864 ft^2.
Step-by-step explanation:
Area of the base = 16^2 = 256.
Area of the triangular sides = 4 * 1/2 * 16 * 19
Total area = 256 + 608
= 864 ft^2.
7.3 is the range
Step-by-step explanation:
The range of a set of data is the difference between the largest and smallest values.