You would use the POINT SLOPE FORMULA and the Slope Formula
which is as follows ...
slope formula : 
point slope formula: 
45 because 1.5*30 minutes in a half hour is 45 gallons of water
Answer:
5x² + 9x + 1
Step-by-step explanation:
Given:
A = 3x² + 5x - 6
B = 2x² + 4x + 7
A + B:
3x² + 5x - 6 + 2x² + 4x + 7
(3x² + 2x²) + (5x + 4x) - 6 + 7
5x² + 9x + 1
Answer:
3
Step-by-step explanation: