exam
Maths Puzzle
Numerical Ability
I need to factor this problem.
2x+4+xy+2y
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exam Other Question
Amelia chose 3 cds that each cost $16. The sales tax on the three cds is $3.96. Write a direct variation equation relating sales tax to the price.
can you please help me to understand this problem.
2. (4 points) Write down all possible subsets of {a, b, c, d}