ZA and ZB are vertical angles. If mZA = (3x - 30) and mZB then find the value of x.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Which of the following is the result of expanding

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.]