DemonWolfie Ur cute I want to marry you lol ;)

Find the value of the cosine for angle a

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?