Suppose the point (x, y) is translated horizontally c units. how do you know if the point is translated left or right?

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 xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?