Name the quadrant in wich point is located (4,-3)(-5,7)(-7,-4)

Find the solution of each of the following.

Bring the fraction a/a-4 to a denominator of 16-a^2

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]