In each equation, select an operation to make the equation true. 12 ___ -15 = 27
5. -18 ___ -¾ = 24

What number must you add to complete the square x^2+12x=16

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3