Ab is dilated by a scale factor 3 form a’b’. point o, which lies on ab, is the center of dilation.

the slope of ab is 3. the slope a’b’ is a’b’ through point o.

1/3 -1/3 3 -3 9 -9

passes does not passes

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .