Does a warning do anything to your account?

Can someone me with my hwplz(only the circled ones)

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

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%