If the pre-image is dilated (with the center at the origin) by a scale factor of 3, what is the coordinate transformation?
Of(x, y) = (x/3, y/3)
O f(x, y) = (x, y-6)
O f(x, y) = (x-4,y+16)
O f(x, y) = (3x, 3y)

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?

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Summary statistics given for independent simple random samples from two populations. use the pooled t-interval procedure to obtain specified confidence interval. x1=71.6, s1=3.9, n1=11, x2=67.9, s2=3.4, n2=9 determine a 99% confidence level.