81 1/4 is equal to 2. true or false

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Simplify. −4x^2 (5x^4−3x^2+x−2) −20x^6−12x^4+8x^3−8x^2 −20x^6+12x^4−4x^3+8x^2 −20x^8+12x^4−4x^2+8x −20x^6+12x^4+4x^3−8x^2

Which function has the domain x> -11