Define a variable, write an equation and SOLVE the equation. Sandy had 189 dollars to spend on 9 books. After buying them she had 18 dollars. How
much did each book cost?

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

Will possibly give brainliest and a high rating. choose the linear inequality that describes the graph. the gray area represents the shaded region. 4x + y > 4 4x – y ≥ 4 4x + y < 4 4x + y ≥ 4

In which quadrant does the point lie? write the coordinates of the point. a. quadrant ii; (–2, –4) b. quadrant iii; (2, 4) c. quadrant iii; (–2, –4) d. quadrant iv; (–4, –2)