exam
Maths Puzzle
Numerical Ability
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exam Other Question
The Acme Plumbing Company will send a team of 3 plumbers to work on a certain job. The company has 4 experienced plumbers and 4 trainees. If a team consists of 1 experienced plumber and 2 trainees, how many different such teams are possible?
factoring trinomials by grouping
12y^3+28y^2+16y