The distance in miles thax the lookout of a submarine
can see is approximately
d=1.22vh, where h is the
height of the lookout above
the water. How far would a
submarine periscope have
to be above water to locate
a ship 6 miles away?

Which expression is rational? 6. , square root two, square root 14, square root 49

Solving algebraic equations 2m+3=11

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.