exam
Maths Puzzle
Numerical Ability
give the solution set to the system
y=9-2xand 2x-5y=15
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exam Other Question
Social science. In a town election, the winning candidate had 220 more votes
than the loser. If 810 votes were cast in all, how many votes did each candidate receive?
Factor by grouping:
18a^3 - 24a^2b + 15ab^2 - 20b^3