Mr and mrs smith buy 6tickets work out how much the tickets cost

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.

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)