Got lots of questions i need on. algreba 1

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

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.