exam Maths Puzzle Numerical Ability

directions: find the roots of each quadratic equation by factoring. my equation is x^2-6x+8. whats the answer?

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exam Other Question

Solve the system by substitution:
4x - 12y = 5
-x + 3y = -1

Thanks for any help you can give me. You plant a 4 foot maple tree that grows at a rate of 6 inches per year and a 2 foot birch tree that grows a t a rate of 8 inches a year. In how many years will they be the same height? What is that height?