Evaluate 9+12÷3-1•4+2 using the correct order of operations

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0