Help mathematicians please

B. 35 dollars

Step-by-step explanation:

So first you have to subtract 20 from 160 because that is the only cost that we definitely know. 160-20=140

Then you have to divide 4 from 140 because the sweaters cost the same amount and she bought 4 of them and 140 divided by 4 is 35

So each sweater coat 35 dollars

452,489 to the nearest thousand is 452,000

easy its decreasing

step-by-step explanation:

because its top point is at the to of the graph on the left side (atleast from the veiw i see it) now if that top point wast in the lower part of the graph it would be increasing hope this have a nice day