exam Maths Puzzle Numerical Ability

I need help with this homework: use transformations on the graph of y=x^2 to graph y=(x+3)-3. I do not understand any of the problems related to this in this in the lecture notes.

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exam Other Question
Solve this inequality: x + 8 > 20 Note there is a line under the greater than sign x+2y=4 Graph the line. I do not know how to figure the answer to the equation.