exam Maths Puzzle Numerical Ability

Find the slope of a line passing through (-4, 6) and (-2, 5)

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exam Other Question

Two children on a seesaw that is 1o ft long. One child weighs 65 lb. The other child weighs 80lb. How far from the eighty-pound child should the fulcrum of the seesaw be placed so the seesaw balances? How many sheets of metal 1/32 inches thick can their be in a pile of 25.5 inches tall?