BRAINLIEST TO THE BEST ANSWER   Dorothy decides to use the method of proportions and similar triangles to find the height of a tree. She measures the length of the tree's shadow and finds it is 33 feet long. Then she holds a 12-inch ruler perpendicular to the ground and finds that it casts an 18-inch shadow. How tall is the tree?     a. 2 ft                          c. 66 ft     b. 22 ft                         d. 396 ft