exam
Maths Puzzle
Numerical Ability
what are the three types of linear systems
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exam Other Question
the total value of the pennies and nickels was $14.50. hala counted the coins and found there was 450 in totalin all. how many of each type of coin did she have.
Could you help me with this problem?
What is the period and graph of y=2 cot(x+ pie over 2)?
Thank you very much for your help!
Sarah McGuire