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If theta = arccos 0.4676 and theta is an acute angle then theta = ?
Round to the nearest minute? Please help me!! Point P (a,b) is on the graph of y=9/x and a+b=8. Find the distance from point P to the origin.? Using the limiting reactant concept how many moles of hydrogen can be produced from 4.0 moles of calcium and 4.0 moles of hydrochloric acid? What is the largest number you can make with 3, 1 and 3? Assume that 5 cards are randomly chosen from a normal deck of cards. How many hands contain exactly 3 kings?