book Maths Puzzle Numerical Ability

is it a eaiser step to solving this 3xplus negtive6 plus9

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book Other Question

Please help me with the following problem(s):

Graph the following conic, label the vertices and the center on each graph;

a. (x+5)^2 =(y-2)^2=16

b.(x-2)^2 + (y-2)^2=1 Find the probability of drawing an ace and a jack when two cards are drawn (without replacement) from a standard deck of cards