A school counselor meets individually with 18 students every week. Throughout the week, the counselor also meets with other students in groups of 5. Which equation best represents the linear relationship between x, the number of small groups the counselor meets with, and y, the total number of students the counselor meets with each week?

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.