PLEASE HELP 100 POINTS DONT ANSWER IF YOU DONT KNOW. IF YOU ANSWER WITH SOMETHING NOT HELPFUL, YOU WILL BE REPORTED

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¯¯¯¯¯¯¯¯)?

If the class was going to get a class pet and 5 picked fish and 7 pick bird and 8 picked rabbits have many students were in the

Is a positive integer raised to a negative power always positive