What is the slope of the line shown? Math item stem image slope = −12 slope = 7 slope = 2 slope = -2

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 table respent two linear functions the equation respented by the first tables is given

When y’all answer can y’all explain too !