Answer:
The answer is in the picture, good luck :)
Step-by-step explanation:
Answer:
9 ft
Step-by-step explanation:
its volume is equal to the area by height;
(2.5 x 3)h = 67.5
h = 9ft
Answer:
52.3272727...
the 27 at the end is repeating
Answer:
2x+3x=5x
Step-by-step explanation:
The reason for this answer is algebra. Since you give a full explanantion on it I'm not sure if I answered it correctly. But here is what I think from what you gave of the question.
We know:


substitute a = -3; b = 7; c = -15