Choose the best correlation coefficient for the data shown in this scatterplot: a.0.6634 b.0.3317 c.−0.3317 d.−0.6634 e.1.4664

Which linear equations have an infinite number of solutions? check all that apply.  (x  –  3/7)  =  2/7(3/2x  –  9/14)8(x  +  2)  =  5x  –  1412.3x  –  18  =  3(–6  +  4.1x)(6x  +  10)  =  7(x  –  2)4.2x  –  3.5  =  2.1 (5x  +  8)

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Which graph represents the linear function below? y-3=1/2(x+2)