exam
Maths Puzzle
Numerical Ability
Remove the parentheses and simplify. 9y - (-4y - 2x)
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exam Other Question
On a single draw from a shuffled standard deck of 52 cards, find the probability of obtaining
(e). a three or a heart
(f). a three and a heart
i dont really understand this either really; x^2-9/x-2 * x^2-4/x-3
i think i solved it totally wrong since i first multiplied the top then the bottom and got x^4 - 13x^2 +36 / x^2 - x - 6.
could someone please show me how to solve it right?