Please Last chance to get good grade. Distributive property, Explain steps you would take in combine like terms, 2y + 5 +8z +7 +3z +y? Be sure to re-write the expression after you have combined all the like terms.

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.