MR. Yashiro used 4 days out of his 12 days of paid leave for a vacation to ice cream world . What percent of his days does Mr. Yashiro have left in his paid leave account?

Two parallel lines are crossed by a transversal.what is value of x

What is the value of x? enter your answer in the box. photo attached.

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¯¯¯¯¯¯¯¯)?