The right triangle below is the image of a right triangle that was dilated by a scale factor of . Find the perimeter of the preimage, the original right triangle, before its
dilation. Figures are not necessarily drawn to scale.
45
A
36
27

units
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attempt 2 out of

Astudy claims that the mean age of online dating service users is 40 years. some researchers think this is not accurate and want to show that the mean age is not 40 years. identify the null hypothesis, h0, and the alternative hypothesis, ha, in terms of the parameter μ. select the correct answer below: h0: μ≥40; ha: μ< 40 h0: μ≤40; ha: μ> 40 h0: μ≠40; ha: μ=40 h0: μ=40; ha: μ≠40