9(7/4)-2= what in fraction form ? Can someone please help ?

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

Prove that quadrilateral is a rhombus.

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.