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Tangent line AD and chord AC intersect at point A. If the measure of ABC(arc) is 220°, what is the measure of ∠CAD? H(t)=-2(t-1)^2+10 is the formula. How long does it take for a ball to reach maximum height? how long for the ball to hit the ground? Identify the spectator ions in the following complete ionic equation. 2K (aq) S2−(aq) Pb2 (aq) 2NO−3(aq)→PbS(s) 2K (aq) 2NO−3(aq)? How many grams of KNO3 will dissolve in 100g of water at 30 degrees C? I can't find an answer or a good explanation anywhere? What is 5,022 divded by 8?