Solve for x. x^2−9=16

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

{0,1,2,3,4,5,6,20,21,22,23,24,25} the distribution is considered to be: skewed the right, skewed the left, not skewed?

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