Khan academy assignment

△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 .

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?