exam
Maths Puzzle
Numerical Ability
simplify 6 square root 20 + square root 180 - 2 square root 45
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exam Other Question
A house that is assessed for 12,00 pays $960 in realty taxes. what should be the realty tax on a house that is assessed for $16,500?
Factor the trinomial:
-3x^2+21-30
Factor out any common monomials first (including -1 if necessary).