What polyhedron is the square?

Which expressions are equivalent to the one below Check all that apply. 8x? Is 0.625 inch equal to a quarter of an inch? Is 48.3 a good weight for an 11year old? What are 2 equivalent fractions for 9 over 4? Why do sandwiches cut into triangles taste better than those cut into squares? How do you Convert revolution per minute to liters? 3 factors of 72 that have a sum of 109? How many cents is one tenth of a dollar? What is equivalent ratio for 10 and 14? How many quarters are in a 3 dollars? How do you write 5.18 as a fraction? What are the angles of a quadrilateral? What is the answer to x over -4 plus 3 equals 15? Does surface area increase or decrease as particles get smaller? What times 78 equals 390? How many sq ft are in a lf? Would 2 out of 4 or 3 out of 5 be larger? What is the answer in 3.8 divide 20? What lines go side to side? What is 300 in Roman numerals?