If x + y = 12 and xy = -5, calculate the value of 1/x + 1/y.

Zack and tia played chess for 50 min they put the chessboard away at 11: 20 when did they start

Which of these phrases uses parallelism to create a sad tone?

The graph of the function f(x) = (x + 2)(x + 6) is shown below. which statement about the function is true? the function is positive for all real values of x where x > –4. the function is negative for all real values of x where –6 < x < –2. the function is positive for all real values of x where x < –6 or x > –3. the function is negative for all real values of x where x < –2.