500-30-4
Five Hundred Thirty four
600-80-4
Six hundred eighty four
400-20-9
Four hundred twenty nine
100-50
One hundred fifty
Angle BAD is equal angle ABD
A quadratic because of the -

.
The equation doesn't make any sense. Does that parenthesis mean an equal sign? Also, none of the answer choices applies to the actual answer. To find the x, you need to add 39 with 146...