Determine which postulate or theorem can be used to prove that pqs ~=rqs

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area