book Maths Puzzle Numerical Ability

An eagle dives down from its nest with a velocity of-44 feet per second. Find the displacement of the eagle after 4.5 second.

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When the ancient Egyptians were building the great pyramids at Giza, they checked each course or level of stones to make sure they were being laid square by measuring th diagonals. Marshall has 36 feet of fencing to use to build a pen. He plans to use the barn for on side of the pen. What is the largest area he can create for the pen using the 36 feet of fencing and the side of the barn?