Look at the Example. How do you know that (-3/4)(-8a)+(-3/4)(-12) is equivalent to both -3/4(-8a-12) and 6a+9? PLEASE HELP I WILL GIVE BRAINLIEST.

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¯¯¯¯¯¯¯¯)?

What are the solutions of the equation x4 – 5x2 – 14 = 0? use factoring to solve. someone !

The graph of f(x) shown below has the same shape as the graph of g(x)=x^3-x^2 but it is shifted to the left 2 units what is its equation