Can someone answer this please?

What 2 forces allow things to fall ‍♀️‍♀️

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?