Answer:
x² -6x = -13
Step-by-step explanation:
Divide the equation by 8, the current value of "a".
... (8x² -48x)/8 = -104/8
... x² -6x = -13
h = 12 in
To find the height, divide the volume by the base:
2880 in^3
height: ------------------ = 12 in
240 in
