The amount of money that Layla has saved, s, is going to be what the equation equals. She earns $150 each month, so that would be 150m (slope intercept form equation s=em+b). B is the y-intercept, or the amount that Layla already has saved, which is positive $650.
A- positive B-negative C-positive A was positive because 5-2 would be positive 3. B was negative because 8-12 would be negative 4. C was positive because -5+8 is positive 3.
