Marcy has 567 earmuffs in stock if she can put 18 earmuffs on each shelf, about how many shelves does she need for all of the earmuffs

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle

Someone which statements are true? check all that apply.