Abiker traveling at his usual speed can go from his house to work in 4 hours. when the weather is bad, he travels 6 miles per hour slower, and it takes him half an hour more. how far is his work from his house?

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.

Ineed the answers for this one as well!

Write a function rule for  “the output is  5 less than the input.” let  x be the input and let  y  be the output.