The sea level was -20,000 feet in 1995. In 2010, it was 90% greater. What was the sea level in 2010?

38000

Step-by-step explanation:

20000/100=200(the value of 1 percent of the total number)

200*90=18000(the val the depth grew)

18000+20000=38000

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

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687.09 dollars       happy now

step-by-step explanation: 6870

1857 times .63 equals 1169.91 subtract that from 1857 you get 687.09