To verify that the transformation is a dilation, Jeremy should also check which of the following? Select three options. QB = One-halfQE QC = CF DE = 2AB AC = One-halfEF if BC = 2. 25, then EF = 2. 25.

4+2=-2. 1+2=3. y=-2/3x+b. 2=4/3+b. 2/3=b. the answer is y= -2/3x+2/3

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since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.