the cost of 2 saree and 4 shirts is rs 16000 while 1 saree and 6shirts cost the same. the cost of 12 shirts is?

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¯¯¯¯¯¯¯¯)?

According to the data set, where should the upper quartile line of the box plot be placed?

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me