Plz hlp !
a park is 2000 hectares in area. if the park is square, what would be the length of each side in kilometers, to the nearest tenth of a kilometer? (1 square kilometer = 100 hectares)

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

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Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.