Create a system of linear equations with no solution. In your final answer, Include the system of equations and the graphs of the lines.

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2