Answer:
5,200
Step-by-step explanation:

Answer:
Slope of the line (m): -0.909090909091
Y-intercept of the line (b): 17.0
Slope Intercept Form (y = mx + b): y = -0.909090909091x + 17
Step-by-step explanation:
The answer is 12. Substitute a for 12 and b for 7 in the equation. Multiply first, then add/subtract from left to right