A correlation coefficient indicates the Select one: a. extent to which demand characteristics have biased the results of the study. b. strength and direction of association between two variables. c. direction of the causal relationship between two variables. d. extent to which experimenter bias has influenced the results of the study.

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?