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Determine whether the triangles are similar. If so, tell how you know they are similar

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100

Factor the polynomial by its greatest common monomial factor.