If MO=7x−4, and NO=6x, what is the length of MN¯¯¯¯¯¯¯¯¯¯? Enter the correct value.

Which system of linear inequalites is represented by the graph?

36 inches/second = yards/minute how many yards?

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¯¯¯¯¯¯¯¯)?