Help please

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.]

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?

Simplify this expression. 8x 16(x + y)