On a​ map, 1 inch equals 10 miles. Two cities are 8 inches apart on the map. What is the actual distance between the​ cities?

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

Anyone know? will mark brainliest if you're correct!

What properties allow transformation to be used as a problem solving tool