Tuck is 11 years old, and he has a younger brother. His brother's age is represented by the
expression 2x - 14, when x represents Tuck's age.
How old is Tuck's brother?

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

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

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9