Answer:

Step-by-step explanation:
Based off of what we do know, if we can find length DB we can use the pythagorous theorem (I will be assigning the variable z)

First equation is for triangle ABD
Second is for BCD
And the last one is for ACD
Substitute
and 

As discovered before

#11 and #12 have no solutions, #13 has a solution which is 14
Answer:
400
Step-by-step explanation:
Total $129
129 - 24 = 105
105 / 3 = 35
Scot saves $35 last month
Hey, this is not a complete question, there is not visible graph. You may wanna retry to set up your question and make sure the graph is there