exam
Maths Puzzle
Numerical Ability
How do you determine if the lines 18,perpendicular. I don't understand how to do this
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exam Other Question
c^2+19c+60
factor the above
on page 842 lesson 10-2 number 11 is what i need help on the question is
-3x^2+6x-9=0
i would realy appreaciate it if you could help. Thanks!