Simplify 6x+(- 9)-9(5x+5)+x

Lisa berry plans to rent an apartment for $1,090 per month. she estimates the annual expense will be as shown on the chart below. what is her average monthly cost?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Proving the parallelogram diagonal theoremgiven abcd is a parralelogam, diagnals ac and bd intersect at eprove ae is conruent to ce and be is congruent to de