There is exactly one reflection and no rotation that sends the convex quadrilateral abcd onto itself. what shape(s) could quadrilateral abcd be? explain.

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Can someone me and do the problem plz so i can understand it more better

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?