Vector u has its initial point at (15,22) and it’s terminal point at (5,-4)

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Which number line represents the solution set for the inequality - x 24?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.