Maria has lunch at a restaurant if her bill was $12.25 and Maria wants to leave a 20% tip what is the reasonable estimate for the amount she should leave for the tip

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

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.