(PLEASE HELP I WILL MARK THE BRAINIEST IF YOUR ANSWER IS CORRECT!!!) Directions: Write the equation of the line in fully simplified slope-intercept form.

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¯¯¯¯¯¯¯¯)?

Could someone with number 1 and 2

X+ y = 5 ; x - y =3 solve using linear combination