What is the simplified form of the rational expression below?

3x2 - 48 / 2x +8x

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¯¯¯¯¯¯¯¯)?

What is not true about kl and mn? what is mn? (show )

Determine which postulate or theorem can be used to prove that lmn =nmo