5th grade math
How do you find the area of an irregular shape? The shape is shaped like a cat's head. Please help me!
Science
A 0.5-kg baseball is pitched at 45 m/s and is struck by a bat and sent back toward the pitcher at -45 m/s. If the ball is in contact with the bat for 0.0025 seconds, how hard does the bat hit the ball? What forces act on the ball after the bat hits it?
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