A pay check Math this is an 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 .

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?