Help Please
Find the perimeter of the following shape, rounded to the nearest tenth:

a coordinate plane with quadrilateral ABCD at A negative 2 comma 0, B 0 comma negative 2, C negative 3 comma negative 5, D negative 5 comma negative 3

10
11.3
12
14.1

What is the length of bc ? enter your answer in the box.bc =

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

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¯¯¯¯¯¯¯¯)?