Solve the system
x+9y+z=20

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Which of the following parabolas opens down?