James completetly covered a square wall using 50 ftof wall paper without any overlap. Which measurements is closest to the side length of the wall?

Find the value of the variable and the length of each secant segment.

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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¯¯¯¯¯¯¯¯)?