HELP ME PL PL HURRY Which percent is equivalent to 2 and StartFraction 5 over 6 EndFraction? 2.56% 2.8ModifyingAbove3 with bar% 256% 283.ModifyingAbove3 with bar%

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¯¯¯¯¯¯¯¯)?

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

Me n o w. i need t h i s. 10 points