exam
Maths Puzzle
Numerical Ability
Simplify: -(-25).
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exam Other Question
Please help me solve this equation:
9t^2 - 24t + 16 = 0
can some one help me with this problem
kath earns $445 a week for 40 hours of work and $25 an hour for each hour over 40. how many hours did kathy work if she earned $570 in one week?