Is (2, 9) a solution to this system of equations?
y = 6x + 7
y = x + 7
yes
no

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 focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !