HURRY PLEASE A certain forest covers an area of 2100 km². Suppose that each year this area decreases by 5.5%. What will the area be
after 11 years?
Use the calculator provided and round your answer to the nearest square kilometer.

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

Answer this 30 points and brainliest!

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under