He given point P is located on the unit circle. Find sin A and cosA

P (32/257 ,255/257)

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

How can you find the mean absolute deviation (mad) for this set of data?

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.