Rectangle abcd is dilated by a scale factor of 2 with the origin as the center of dilation, resulting in the image a’ b’c’d, if the slope of ab is -2, what is the slope of a’b

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¯¯¯¯¯¯¯¯)?

How do you convert 1.27 to a percentage

What is the equation of a line passing through (-6,5) and having a slope of 1/3