exam
Maths Puzzle
Numerical Ability
Simplify: -(-25).
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I have to combine if possible no calculator or table of roots to be used...Can you help me please? Thanks...:)
Page 530
Number 20
6square5y - square root 20y
Can you please help me find:
center, vertices, covertices and foci of the ellipse x^2/4+y^2/9=16
Thank you so much!!