The 1st person to answer i will mark as brainliest and only if correct,

Which formula gives the area of a triangle? a=1/2(b+h)

△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 .

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account