A biologist wants to know the width w of a river so that instruments for studying the pollutants in the water can be set properly. From point A the biologist walks downstream x = 140 feet and sights to point (see figure). From this sighting, it is determined
that 0 = 54º. How wide is the river?
8=54
ΑΣ
(Round your answer to three decimal places.)
ruc

197.693
202.693
212.693
207.693
192.693
e

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave