How much larger is the 4 in 40.9 than the 4 in 4.09? pls help!!​

△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 .

Name the most appropriate metric unit for each measurement

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b