A map is drawn to a scale of 1cm to represent 50km. If the actual distance between two villages is 480km, what is the distance on the map?

△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .

Which graph represents an even function?

Simplify the expression 10/11(22z) + (a+5) -1