Diego ran 55 meters in 10 seconds. How far did Diego run per second.. pls help due today

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.

Of four points are collinear, they are also coplanar

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11