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The product of sin 30 degrees and sin 60 degrees is same as the product of

Which graph of a hyperbola represents the equation 16x^2-y^2=16

Acompany that makes? hair-care products had 5000 people try a new shampoo. of the 5000 ? people, 35 had a mild allergic reaction. what percent of the people had a mild allergic? reaction?