If the line is perpandicular to the y axis , what is it throught the point (-4,-2). what is the slope of the line

What is the smallest integer n such that n\sqrt{2} is greater than 20

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?

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.