Answer:
the answer is DBC=90°
because the midpoint of the perimeter of quadrilateral is B
Using PADMAS really works
There are only 6 place values in 128,955.
If you would round it it could be:
130,000
129,000
128,960
Here is the answer if you can't read my writing than just ask. also if you have any questions about how I got something feel free to ask
I would probably distribute 15 with the parentheses 15x 9860 which is 147,900 then you would add 6997+147,900
Y= 154187
