alice and Amy decide to meet at a party. From a corner of the party hall, amy spots Alice at the corner of the hall diagonally opposite from her. if the party hall is rectangle that measures 100 feet by 60 feet, what is the shortest distance Amy has to walk to reach Alice

Can someone me out here number 4 plz

With finding limits of multi variable !

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.