When Joe solved a system using substitution, he got 7 = 9. What can Joe conclude? * 1 point The solution to the system is (7, 9). The system of equations does not have a solution. The work must be incorrect because it is not possible to get this equation. The system of equations has infinitely many solutions.

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5