I’m not entirely sure if i got this right but i think the answer is $603 dollars in total for the baker
96°.
Since sides AB and AC ane equal, that means that angle B is equal to angle C. The measurement of all the angles of a triangle always equals 180°, so if you add angles B and C, you should get 84° and then you should be able to find angle A. Subtract 84° from 180° and you should get 96°.
Hi again!

Start by taking them out of the parentheses

Now combine like terms


Once again, it is my pleasure to answer your questions!