A survey of 200,000 boat owners found that 12% of the pleasure boats were named Serenity. Find the 95% confidence interval of the true proportion of boats name Serenity.

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7

In the diagram, gef and hef are congruent. what is the value of x