Solve the equation. x+6=x a. x=0x=0 b. x= -6x= -6 c. x=6x=6 d. infinitely many solutions e. no solution

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y

One file clerk can file 10 folders per minute. a second file clerk can file 11 folders per minute. how many minutes would the two clerks together take to file 672 folders?