In the data set, what is the variance? 6 8 1 9 4

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

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¯¯¯¯¯¯¯¯)?

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x