The solution of a system of two linear equations yields the equation 0=3. describe what the graph of the system looks like.

Choose the linear inequality that describes the graph. the gray area represents the shaded region. a: y ≤ –4x – 2 b: y > –4x – 2 c: y ≥ –4x – 2 d: y < 4x – 2

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.