Step-by-step explanation:
work is on the paper for you, somthing that might help you with your future with math is PEMDAS always do exponents first when it's an equation like your first, second, and third question. I hope this helped.
The x variable is the first number in the parentheses. (X,Y) so you would go to -2 on the X axis(the horizontal line) and then go up 5 which is the y axis