Which function is deceasing and approaches negative infinity as x increases

The perimeter of a rhombus with a side of 6 is 24

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.