What is the slope of the line y = 3× + 9

Find the sum to the equation 3+6+9+

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.

All per-unit concepts rely on ratios, meaning, to provide a type of measurement