Answer:
Range=9, Mean=4.125
Step-by-step explanation:
Mean is the average. To find the average, just add all the numbers and divide the total amount of numbers present in the set.
The range is the highest number minus the smallest numbers. In this set the range is 9.
9-0=9
the height is 14 square inches
a = 5
b = -3
25 - -3/ -3 - 25
= 28 / -28
= -1