15-hour work day is divided into three sessions. the first session of work is as long as the second. the second session is twice as long as the third. how long is the second session? a x 3 hours b x 5 hours c x 6 hours d x 10 hours

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¯¯¯¯¯¯¯¯)?

What is the anwers for 9+2x=5x-3-x

M. xyz =radians. covert this radian measure to its equivalent measure in degrees.