For each of the following: find the length of AB in the given coordinates: a. A(0,7), B(0,2) b. A(0,3), B(4,0) c. A(12,4), B(17,6) d. A(1,3), B(?)
The length of AB is 6 (Simplify your answer). The length of AB is 0 (Simplify your answer). The length of AB is (Type an exact answer, using radicals as needed. Simplify your answer). The length of AB is approximately (Round to two decimal places as needed).