Which of the following graphs shows a positive linear relationship with a correlation coefficient, r, close to 1?
A. Graph A
B. Graph B
C. Graph C
D. Graph D

2.30+0.4-0.88+1.33 can u explain the answer to this why the answer is 3.15

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles