Which functions have a zero with a multiplicity of 3? Select all that apply.

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2