Tell whether the sequence is arithmetic if it is what is the common difference -15, -9, -3, 3, . . .

Could answer every question with steps

Finding tbe values of the variables in each kite

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%