Find area of triangle ​

△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 .

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer